Ever heard of the expression, "a child in a man's body?" These guy's are the literal personification of that phrase. The age old stereotypical story of 'immature man that never grew up meets consequences of his childish nature and has to learn responsibility to grow as a person' applies directly to these two.
The difference between the two of these is one has a persona which impersonates an F.B.I agent and the other is actually a detective, wielding enough power to affect the lives of many different people.
But can you tell which of these man-children said which quote?