This is "Godzilla Legacy" by Chris Seher. From an original concept by Christian Gonzalez (bottom), from ArtStation.
From Dope Pope's ArtStation page,
GODAIJU. ZBrush model. Private commission. GODAIJU, a GMK/SHIN/2014 blend. Concept and art direction by Daniel Paulin. The model will be made into a 22 inch tall 3D Print. Then painted.
Check out more of Larry's artwork here.
Check out Inosuke-0101's page here.