Go! Go! Ooma-san, go!...... That must be a cuttlefish....... Sure is. This is Giro Ika-san, created by Sanpachi, the same person who created Tako Luka. In the same way that Tako Luka is the animal version of Megurine Luka, Giro Ika is the animal version of Girokaku-tan.
Girotaku-tan is the mascot of the "Vocaloid discussion thread" on the Youtube BBS of 2ch. Tako Luka and Ooma-san: part 2Cuttlefish?Cuttlefish.Tunas actually eatSo, like that there?