* FridgeLogic: There was no reason why he couldn't tell his wife about the clones.
** She might very well have freaked out at the least. Of course, keeping it from her means that she essentially had sex with identical twins of his without ever knowing it.
** Why does Clone #3 lose all knowledge of Doug's job so he can't even answer simple questions (aside from RuleOfFunny)?
* TalkingToHimself: Creator/MichaelKeaton, all the time.