Toilet Hakase (Professor Toilet)

Author: Kazuyoshi Torii

Run: 1970–1977

Chapters: 319

Genres: Comedy, Ecchi, Slice of Life

Comedy (gag) manga by Torii Kazuyoshi. Published in Weekly Shōnen Jump in the early 1970s, it is one of the most popular humorous series of the period, known for its toilet and exaggerated crude humor.