Medicom makes this “bareface” version of Wars Man from the Kinnikuman professional wrestling manga and anime series.
Medicom makes this sofubi version of Blockhead from Fang of the Sun Dougram.
Sofubi version of the monster who made his debut in the last espisode of the original Ultraman series.
Medicom makes this sofubi of Buffalo Man, and a “One Horn” variant, from the manga series Kinnikuman.
I’m not really into Devilman, but always love the action figures and sofubis like this based on the character.
I’m assuming here that “late stage” refers to the costume worn toward the end of the Marc Rocco’s original run with the gimmick.