Stephen Colbert had J.K. Simmons on his show the other night and asked a burning questions that a lot of people have always been curious about: what it's like to voice over the yellow M&M? Simmons revealed to the audience that the character design was actually based on himself. Colbert then asked the question that many have wondered themselves: Can J.K. Simmons eat a yellow M&M without it being weird? Simmons said there is not cannibalism in his mind and said he appreciates the diversity of the candy and simply grabs a handful, not worrying whether it is yellow or not.