Reader-added tags include "And many more", "Yasuda-k-...On-chan", and "Otoo-s-...No-chan" (referring to How Do You Like Wednesday? semi-regulars Ken Yasuda and Takuma Otoo, who'd frequently appear in full-body costumes of mascots On-chan and No-chan, respectively).
He had this big a family!?
I Had No Idea
On-chan.A mascot character for Hokkaido Television Broadcasting.Hey, On-chan's on the wall of HTB!!