For monster information, see Gato.
Gato is a combat training robot created by Lucca for the Millennial Fair. Equipped with a punching bag in his belly, he sings a memorable ditty and welcomes any challengers to fight for silver points.
Gato was created by Hironobu Sakaguchi, as revealed in the Chrono Trigger: The Perfect interview.
Gato is Spanish for cat.