Artist.

Their comic strips has a similar humor style and characterizations to [[nonco]]'s, as he "started drawing his after reading Nonco's 4-komas":https://twitter.com/idonum/status/917907642311307264.

Nickname: いど (Ido)
Old niconico name: てけてけ (Teketeke)
Circle name: いどんち (idonchi)
ido (teketeke)