McFist's mad scientist who builds robots and mutants to destroy the Ninja. 🎨 Animation and Style
Every four years, a new high school freshman is chosen to be the Ninja. Randy Cunningham: 9th Grade Ninja
A 3,000-year-old evil entity trapped beneath the high school. He creates monsters out of students experiencing negative emotions ("stank") to help him escape. McFist's mad scientist who builds robots and mutants