Claim: Patton Oswalt is an improv comedian.
Evidence: Patton Peter Oswalt -LRB- born January 27 , 1969 -RRB- is an American stand-up comedian , writer , actor , and voice artist , known for roles such as Spencer Olchin in the sitcom The King of Queens -LRB- 1998 -- 2007 -RRB- , voicing Remy in the film Ratatouille -LRB- 2007 -RRB- , and playing multiple identical brothers , the Koenigs , on Agents of S.H.I.E.L.D. -LRB- 2014 -- 17 -RRB-.