A kaiju that first appeared in episode 4 Anguirus' Japanese name, Angirasu (アンギラス), comes from the Japanese spelling of the name of the dinosaur genus Ankylosaurus (アンキロサウルス Ankirosaurusu), upon which the monster's design is based. (Source: Wikizilla, edited) No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .