Reggie

Reggie  is the only non-binary character in The Dr. Copperbottom Stories having a female appearance with a male voice. Despite him being non-binary. He was mostly confused for female or male. Reggie is a domesticated Laboratory Mouse with an aqua blue shirt and a dark gray skirt.

Reggie is one of the 3 Main Characters of The Dr. Copperbottom Stories alongside Dr. Copperbottom and Daenerys

Trivia

 * Reggie was non-binary until June 2021, where the director admitted Reggie was male.