Jankenman
Genres: Adventure
Type: TV, Episodes: 51
Aired: Apr 4, 1991 to Mar 26, 1992
Source: Unknown
Rating: PG - Children
Synopsis:
There is a small village called Janken Town. The hero Jankenman protects the village and defeats his adversaries by playing games of rock-paper-scissors with them. Meanwhile, the villain Osodashi Mask always tries to deceive others.

(Source: AniDB)