Celethe

Celethe is calvin's descendant from the year 3001 she is just a normal girl from the future equipped with a jetpack and a laser gun. Calvin and the gang met her when they went though time to save Calvin's ancestors from disappearing but were accidentally sent to the future. The nice servent bots of the future suddenly turned evil and threw in space jail however with calvin and the gangs help they stopped the virus that was infecting the robots and saved the future. She 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