Sensie Garmadon a.k.a. The First Sumo Master
-Created Sumogo City after discovering the Lost Temple of Sumo wrestling
-build a monastery for teaching the art of the ninja and the way of sumo
-Made his sole purpose to rebuild and reshape the way of Sumo wrestling
-Never turned evil due to being purified
- Is a loving husband and father but a strict and firm teacher
-Applies some of the Ninja techniques into every of his sumo lessons
Master Wu
-Still practices the ninja arts
-Workings along side Garmadon in teaching their pupils
-Helped his brother adapt to his new lifestyle as a sumo and build a monastery
-So far Nya and Pixel are his main pupils (for being ninjas) but still teaches the rest of the sumos certain techniques to help them through battles.