Professor Moshimo

Professor Moshimo is the creator of Robotboy, Robotgirl and Robotbird (also Protoboy and Robotman). He received a letter from Tommy Turnbull about him looking forward to his latest invention. As a result, Professor Moshimo sent him Robotboy to take care of. The Professor has a Japanese fiancee named Miumiu who also acts as his assistant. Despite the vast age difference between the two Miumiu appears to care deeply for the professor and has attempted to interrupt the professor's work with acts of affection. He also created Protoboy, Robotman and Robotgirl. His former rivals are Dr. Kamikazi and Bjorn Bjornson. He is voiced by Togo Igawa.

Trivia

 * Professor Moshimo has called Gus, "Goose" on numerous occasions. This is either due to not knowing how to pronounce Gus' name properly, because of Gus' foolish behavior, or a reference to the Disney character, Gus Goose.
 * Of all the episodes, Professor Moshimo has appeared approximately 28 episodes of the series.
 * At one point in the early drafts of the show he was supposed to be an uncle of the main trio.
 * In the Robotboy - Special Edition CD-ROM, in the series' story, it's confirmed that Professor Moshimo himself is Japanese. Also in a advertisement from Cartoon Network published in october 2005 it was confirmed about him being Japanese.