X-Plus is a Japanese toy company that makes toys based on many Japanese as well international characters. They make one of the largest lines of kaiju vinyl figures. X-Plus has their 30cm Series (30cm scale), Large Monster Series (25cm scale), Gigantic Series, and their Real Master Collection (poly resin "statues"). There are usually two version of many figures, a standard version, and a Ric Boy Limited version that is sold direct from X-Plus and features extra features and/or accessories. This section features all figures from the Toho 30cm Series with release dates through the end of 2017 (and variants, 2018 forward are in Part Two). ​Thanks to John from Kaiju Addicts for some reference material.

Toho 30cm Series Gaira/Kit/Wonder Festival
This figure was released as a unpainted kit in 2007 (below left), it was also released May 2008 as a fully painted figure (above). It was re-released in July 2011 as a War Of The Gargantuas set at Summer Wonder Festival (below right), also featuring Sanda. This figure stands 30cm tall, there was a slight difference in the paint schemes between the 2008 and the Wonder Festival versions there also appears to be a difference in the arm poses as well (center below).
This figure was released as a Diamond Re-Issue set along with Sanda in Jan 2014.

Toho 30cm Series Sanda/Kit/Wonder Festival
This figure was released as a unpainted kit in 2007 (below left), it was also released May 2008 as a fully painted figure (above). It was re-released in July 2011 as a War Of The Gargantuas set at Summer Wonder Festival (below right), also featuring Gaira. This figure stands 30cm tall, there was a slight difference in the paint schemes between the 2008 and the Wonder Festival versions there also appears to be a difference in the arm poses as well (center below).
This figure was released as a Diamond Re-Issue set along with Gaira in Jan 2014.

Toho 30cm Series Gorosaurus 1967/1968

The 1967 version (top pics) was released Dec 2008, the 1968 version (bottom left and right pics) was released May 2011, an unpainted resin kit was also released in Dec 2010. All are the same sculpt standing 30cm tall, the two figure versions have slightly different paint schemes.
This figure was released as a Diamond Re-Issue in Dec 2014.

Toho 30cm Series Anguirus 1968

This figure was released Nov 2009, it is approx 30cm in length. It was re-released in 2012.
This figure was released as a Diamond Re-Issue in Jan 2016.

Toho 30cm Series Gigan 1972/Nighttime Version

This figure was released Dec 2009 (top pics), it was released as a unpainted resin kit August 2010. It was re-released in Feb 2011 as a Winter Wonder Festival Exclusive (bottom left) with a "Nighttime" paint scheme, and yet again as a Ric Exclusive with a light up visor in 2015 (bottom right). This figure stands 33cm tall.
This figure was released as a Diamond Re-Issue in Feb 2016.

Toho 30cm Series Godzilla 2003

This figure was released March 2010, it stands 29cm tall. It was re-released in Dec 2013 and featured light- up fins.
This figure was released as a Diamond Re-Issue in June 2014.

Toho 30cm Series Godzilla 1968/Wonder Festival

This figure was released May 2010, it stands 33cm tall. It was also released as a resin kit with Minya. It was re-released July 2014 as a Wonder Festival exclusive with light-up fins.
This figure was released as a Diamond Re-Issue in Oct 2014.

Toho 30cm Series Minya 1968

This figure was released June 2010, it stands 18cm tall. The Ric version came with a smaller "young" Minya. It was also released as a resin kit with Godzilla.
This figure was released as a Diamond Re-Issue in April 2014.

Toho 30cm Series Mothra Larva 1961/Soft Version

This figure was released June 2010, it is 35cm in length. It was re-released in 2012 as a soft (squishy) figure.
This figure was released as a Diamond Re-Issue in June 2014.

Toho 30cm Series Godzilla 1964/RMC

This figure was released Sept 2010, it stands 33cm tall. The Ric version had a second closed mouth. It was released as a resin kit with a closed mouth. It was re-released in June 2013 with a closed mouth figure with light-up fins (center pic). It was released in Dec 2014 as a Real Master Collection figure (resin) in a limited release.
This figure was released as a Diamond Re-Issue in April 2014.

Toho 30cm Series Baragon 1968/Wonder Festival

This figure was released Sept 2010, it stands 27cm tall and 39cm in length. The Ric version came with a 1965 style head (with lower ears). It was re-released as a Winter Wonder Festival exclusive Feb 2014 with a light-up horn and darker coloring.
This figure was released as a Diamond Re-Issue in April 2016.

Toho 30cm Series Godzilla 1962/RMC

This figure was released Dec 2010, it stands 33cm tall. It was re-released in Oct 2013 with light-up fins. It was released as a Real Master Collection figure (resin) in Sept 2014.
This figure was released as a Diamond Re-Issue in Oct 2014.

Toho 30cm Series Hedorah Final Form

This figure was released March 2011, it stands 36cm tall. The Ric version came with a damaged eyelid, and mini flying Hedorah. It was re-released Nov 2013 with light-up eyes (bottom right).
This figure was released as a Diamond Re-Issue in Oct 2014.

Toho 30cm Series Godzilla 1955/Wonder Festival Color Set/Monochrome Showdown Set

This figure was released June 2011, it stands 33cm tall and is in a monochrome (black & white) color scheme. It was re-released as a color set with Anguirus at Summer Wonder Festival July 2012 (bottom left). It was released again as the Showdown Set with Anguirus this time in monochrome color scheme in May 2016 (bottom right).
This figure was released as a Diamond Re-Issue in Dec 2014.

Toho 30cm Series Godzilla 1992

This figure was released August 2011, it stands 30cm tall.
This figure was released as a Diamond Re-Issue in Nov 2016.

Toho 30cm Series Maguma 1962

This figure was released Sept 2011, it stands 18cm tall and 28cm in length. The Ric version came with a mini VTOL craft (7cm).

Toho 30cm Series Mechagodzilla 1974

This figure was released Dec 2011, it stands 33cm tall and came with a stand. The Ric version came with a mini flying Mechagodzilla.
This figure was released as a Diamond Re-Issue in Nov 2013.

Toho 30cm Series Godzilla 1954/Wonder Festival Color/RMC

This figure was released Dec 2011, it stands 28cm tall. It was monochrome (black & white), and the Ric version came with an Oxygen Destroyer. It was re-released as a Winter Wonder Festival exclusive in Feb 2013 in color (bottom left and right). It was released as a Real Master Collection resin figure April 2014 in monochrome.
This figure was released as a Diamond Re-Issue in Nov 2013 in monochrome.

Toho 30cm Series Godzilla 2001 GMK

This figure was released Dec 2011, it stands 28cm tall. The Ric version came with a mini missile launch vehicle. 
​This figure was released as a Diamond Re-Issue in Jan 2014.

Toho 30cm Series Manda 1963

This figure was released March 2012, it is 95cm in length from head to tail. The Ric version came with a Mu diver.

Toho 30cm Series Rodan 1964

This figure was released April 2012, it stands 32cm tall and has a wingspan of 54cm. Th Ric version came with a mini flying Rodan.
This figure was released as a Diamond Re-Issue in June 2016.

Toho 30cm Series Godzilla 1989/Limited Luminescence Version/RMC

This figure was released June 2012, it stands 35cm tall. The Ric version came with a rose form Biollante (12cm). It was released as a Real Master Collection figure in May 2014. This figure is being released again as the Godzilla '89 Limited Luminescence Version (below) ,it features light-up fins, comes with the rose Biollante, and is an X-Plus/Bandai exclusive.
This figure was released as a Diamond Re-Issue in Dec 2014.

Toho 30cm Series Mechagodzilla 2002/Wonder Festival/Evangelion Color

This figure was released as a Real Master Collection resin figure first in June 2012, it stands 32cm tall. Th Ric version came with the blue backpack and arm weapons. It was released in vinyl at Summer Wonder Festival in July 2015 as a limited release featuring light-up eyes and blue backpack and arm weapons (below center). It was released in Nov/Dec 2016 and will be re-released in August 2017 as a Bandai Premium exclusive as a special promotion for Shin Godzilla this time in a Evangelion Unit 01 color scheme (below left and right).
This figure (regular version) was released as a Diamond Re-Issue in March 2018.

Toho 30cm Series Varan 1958/Monochrome

This figure was released in July 2012, it stands 33cm tall. The Ric version cam with a mini statue (14cm). It was re-released in a monochrome version in March 2013, the Ric of this version came with a mini flying Varan (10cm).
This figure (color version) was released as a Diamond Re-Issue in April 2014.

Toho 30cm Series Titanosaurus

This figure was released August 2012, it stands 36cm tall. The Ric version came with a mini sub.
This figure was released as a Diamond Re-Issue in April 2016.

Toho 30cm Series Godzilla 1984/Shinjuku Decisive Battle Version

This figure was released April 2013, it stands 29cm tall. The Ric version came with a mini sea louse (18cm) (left and center pics). This figure was re-released as the Shinjuku Decisive Battle Version in Sept 2016, it featured a different paint scheme and light-up fins (right pic).
This figure was released as a Diamond Re-Issue in Dec 2016.

Toho 30cm Series Godzilla 2004/Wonder Festival

This figure was released May 2013, it stands 29cm tall. The Ric version came with a sub (14cm). This figure was re-released as a Winter Wonder Festival limited exclusive Feb 2015, it featured light-up fins.
This figure was released as a Diamond Re-Issue in March 2017.

Real Master Collection EX: Gotengo Vs. Manda 1963 (ATRAGON) 

This figure was released July 2013, it stands 32cm tall and 52cm in length. This resin figure was a Ric exclusive to celebrate the 50th Anniversary of Atragon (1963). The Gotengo could be displayed separately on it's own base. The figure will be re-released June 2019 as a Ric/Godzilla Store exclusive, the new version does not appear to allow the sub to be separated (below left and right).

Toho 30cm Series Mechagodzilla 2003/Wonder Festival/Evangelion Color

This figure was released Sept 2013, it stands 32cm tall. The Ric version came with backpack and arm weapons. A Real Master Collection version (resin) was released June 2014. It was re-released as a Summer Wonder Festival limited exclusive July 2014, this version featured a spear hand, damaged second head, and opening chest Maser cannon (left and right below). It was released in Nov/Dec 2016 and will be re-released in August 2017 as a Bandai Premium exclusive as a special promotion for Shin Godzilla this time in a Evangelion Unit 02 color scheme (center below).
This figure was released as a Diamond Re-Issue in Sept 2016 (without extra weapons), and Mar 2018 (with weapons).

Toho 30cm Series Space Godzilla

This figure was released Oct 2013, it stands 35cm tall and 42cm in length. The Ric version featured light-up crystals.
This figure was released as a Diamond Re-Issue in July 2016.

Toho 30cm Series Godzilla 1999/Version 2

This figure was released Nov 2013, it stands 30cm tall and 47cm in length. The Ric version featured light-up fins. Note there is a Version 2 figure that was released in the US that has a different pose and open mouth, it was released by Diamond in Aug 2017 (below).
This figure was released as a Diamond Re-Issue in Jan 2017 (version one).

Toho 30cm Series Gigan 2004 GFW/Start! Version

This figure was released Dec 2013, it stands 33cm tall. The Ric version came with chainsaw hands and a second head.  It was re-released as the Start! Version in Dec 2016, it featured light-up visor and a different "weathered" paint scheme (below).
This figure was released as a Diamond Re-Issue in Aug 2016 (standard version), and Dec 2017 (Ric version).

Toho 30cm Series Yuji Sakai Modeling Collection Godzilla 1989 Osaka Landing Version (Open Mouth)

This figure was released Sept 2014, it stands 28cm tall. The Ric version featured light-up fins.
This figure was released as a Diamond Re-Issue in Feb 2017.

Toho 30cm Series Yuji Sakai Modeling Collection Godzilla 1991 Hokkaido Version

This figure was released April 2015, it stands 28cm tall and is 46.5cm in length. The Ric version featured light-up fins.
This figure was released as a Diamond Re-Issue in April 2017.

Toho 30cm Series Godzilla 2014/Roaring Version

This figure was released June 2015, it stands 32cm tall and 46cm in length. The Ric version came with a male Muto. It was re-released Feb 2016 as the Roaring version, it feature a different head and color scheme including clear blue fins.
This figure was released as a Diamond Re-Issue in June 2017 (regular version), and Feb 2018 (Roaring version with a Muto head).

Toho 30cm Series Yuji Sakai Modeling Collection Godzilla 2001 GMK

This figure was released Jan 2016, it stands 28cm tall. The Ric version featured light-up fins.
This figure was released as a Diamond Re-Issue in May 2017.

Toho 30cm Series Godzilla 1954 Train Biter/Natural Color/Wonder Festival/Seven Net Version

This figure was released March 2016, it stands 34cm tall and 42cm in length. This monochrome figure was sculpted by Ryu Oyama and came with a base for the Ric version, which was available also through DeAgostini. It was re-released as the Natural Color version Feb 2017 that also has light-up fins (left below). It is also being released at Winter Wonder Festival Feb 2017 in a Electric Train version with the train being a different color (below right).  7Net will also release in May 2018 the Godzilla '54 Train Biter Seven Net Limited Bronze Image version, it includes a base and name plate (middle below).
This figure was released as a Diamond Re-Issue in Oct 2017 (standard version no base).

Toho 30cm Series Battra

This figure was released May 2016, it stands 30cm and 50cm in length. The Ric version featured light-up eyes and horn.
This figure was released as a Diamond Re-Issue in Nov 2017.

Toho 30cm Series Mechagodzilla 1975/Space Beam Version

This figure was released August 2016, it stands 30cm tall. The Ric version has a light-up feature for the head and chest weapon, it also has a brain head. This figure will be released as the Space Beam Version in Dec 2020, it features light up eyes that are a rainbow pattern (no brain head).
This figure was released as a Diamond Re-Issue in Oct 2017. 

Toho 30cm Series Yuji Sakai Modeling Collection Godzilla 1992 Tanzawa March Version

This figure was released Nov 2016, it stands 27cm tall. The Ric version featured light-up fins.
This figure was released as a Diamond Re-Issue in Dec 2017.

Toho 30cm Series Godzilla 1995/Wonder Festival

This figure was released April 2017, it stands 33cm tall. The Ric version will include a mini Oxygen Destroyer. This figure was also released as a Winter WonderFest Exclusive in Feb 2018 in clear orange vinyl.

Toho 30cm Series Godzilla 2000 (1999) Poster Version

This figure was released in May 2017, it stands 30cm tall and is 47cm in length and appears to be the same base figure that was released in 2013. It features a open/close function for the mouth and light-up fins. This is a Ric/Bandai Premium exclusive figure.

Toho 30cm Series Super Mechagodzilla/Fight Color Version

This figure was released July 2017, it stands 35cm tall. The Ric has Garuda attached (it is not removable) and plasma grenade port. The non Ric version does not have these features.
This figure was released as a Diamond Re-Issue in Mar 2018 (standard). The figure will be released Dec 2019 as the Super Mechagodzilla Super Fight Color Version with a slightly different color scheme and light up eyes (including the Ric version differences).

​Toho 30cm Series Mechagodzilla '03 Nighttime Fighting Version

This figure was August 2017, it stands 32cm tall. This is a X-Plus and Bandai Premium figure it has a new paint scheme and light up eyes.

Toho 30cm Series Godzilla '91 Yuji Sakai Shinjuku Version 

This figure was released August 2017, it stands 27cm tall. The Ric features light up fins.

​Toho 30cm Series Godzilla 1975/​Luminous Version Ric Exclusive

This figure was released Sept 2017, it stands 30cm tall. The Ric comes with an extra arm and a Mechagodzilla head. This figure will be released as the ​Luminous Version Ric Exclusive featuring light up fins (no extra arm or Mechagodzilla head) Oct 2020.

Toho 30cm Series Shin Godzilla 3rd Form/Clear Version

This figure was released Nov 2017, it stands 29cm tall and 48cm in length. This figure is a X-Plus/Bandai Premium exclusive. This figure will be released Mar 2019 but molded in a clear vinyl from the Godzilla Store and Bandai Premium.