Yasugon (ヤスゴン?) is a kaiju created by Toho that first appeared in episode 4 of Go! Godman, Godman vs. Yasugon and Tsunokeler.
In Godman, Yasugon had a head that oddly resembles a beaver and dark grey skin with yellow hued spines.
In Greenman, Yasugon was largely unchanged, but had more spikes and his head was shaped in a slightly different way.
Yasugon was the fourth monster to fight Godman
Yasugon also appeared in episode 37 of Go! Greenman
, he was the thirty-eighth monster to battle Greenman