Kanda Yasukazu

Kanda Yasukazu was calvin's samurai ancestor who was great with a blade but was stealthy as a ninja, he was the teacher of Kanda's school for samurais, Calvin and the gang met him when they went though time to save Calvin's ancestors from disappearing, he was captured by robot ninjas and his school was closed down, but with calvin and the gangs help they reopened his school and stopped the giant terracotta warrior robot. He along with Calvin and the other ancestors were imprisoned in a Dr. Brainstorm-ruled present time but were freed by Hobbes,Socrates, Andy, Sherman, and MTM and assisted in the final battle with the Brainstorm Combine-o-tron-5000.