Spirass

Spiras ジークス (Jaakusu) is a Mutian created by  that first appeared in episode 4 of the 1996 tokusatsu  series, Seven Star Fighting God Guyferd titled Escape from the Genetic Laboratory.

Seven Star Fighting God Guyferd
Spiras is first seen using a web attack to steal a bus full of children to use as bait to lure Guyferd to a Crown Genetics facility. She is seen again at the end of the episode after being summoned by Megumi Shion to fight Gou Kazama, who had broken into the facility. Spiras at first takes the immediate upper-hand in battle, and she remains in a favorable position until Guyferd uses his Star technique at the end of the fight. Spiras is the first Mutian to have no line of dialogue in its debut episode.