Reginald "Reggie" Stout is a character in Stuart Little. He is Camille's husband who claimed to be Stuart's father shortly after Stuart began to fit in with the Littles. However, when it was revealed that the Stouts were no relation to him at all, they decided to let Stuart go back to his real home.
Reginald is nice and pleasant, although he did not hesitate to follow through with the plan to take Stuart away from his family. Afterwards, he realizes his errors and orders Stuart to run back to his real home after informing him that the cats are on the lookout for him.