That is Will Forte's animated self, appearing in the upcoming animated series "Sit Down, Shut Up" which debuts April 19 on Fox.
It's brough to you by the same people who are responsible for Arrested Development so you know it's gotta be good.
Set in a school, Forte voices an overly positive teacher named Stuart Proszakian. Kenan Thompson also voices a character by the name of Sue Sezno. Below is a clip from the new show. Enjoy!