|Introduced in||Testboy Genius|
|Latest appearance||The Geniuses and the Fish|
The Ratboy Genius is one of the minor protagonists of Bee Shrek Test in the House. He appeared in Ratboy's Kingdom and RBG Dreams Minecraft before appearing in BSTH.
Ratboy Genius first appeared in the episode Testboy Genius. He shared a friendship with Johnny Test. The episode never aired because it was so fucking creepy that the writers did not want to write the episode.