This is a mascot character of　"TEYU-KA MOUNEYOU" ( I think I'm gonna go to sleep.) The TEYU-KA MOUNEYOU is web service for Twitter.

The name of the character is "Sutachu".
WebSite: http://mouneyou.rgx6.com/

Original Illustration by @dangoinette
3D Modeling by @jilfelde