History ManChild / WesternAnimation

* Dan on ''WesternAnimation/DanVs'' fits this perfectly, it's even been brought up on the show by his best friend's wife (who finds it endearing). It's gotten to the point where she sometimes treats him as if he were their kid. In "Dan Vs George Washington" she lets him sleep with them (because he couldn't sleep) and proceeds to tell him a bedtime story, much to her husbands' disdain.
--> '''Dan''' "Tell me a story..."
--> '''Elise''' "There was once a little prince who was ''so'' very angry-"
--> '''Dan''' "Was his name Dan?"
** In that particular instance, Dan couldn't sleep because he was depressed that his plan failed, and he says it in a very childish way, sounding more like a kid who's sad no one wants to look at the drawing he's made than a man on a vengeful rampage.----

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* SpongeBobSquarePants.

* "Baby Brent" in ''CloudyWithAChanceOfMeatballs'' certainly comes across as one. He's the same age as Flint, doesn't seem to be doing anything with his life besides being popular, and still acts like a schoolyard bully. That he still reenacts the commercial he appeared in as a baby, diaper and all, seems to be a serious case of LampshadeHanging.
** And on the other hand there's Flint himself, who put fake security equipment in his lab and pretends to use it when he comes and goes. Even the kids in the neighborhood think he's weird.

* Humphrey from ''AlphaAndOmega'' has signs of this.

* Waffles, the horned toad from ''{{Rango}}''.

* Jasmine's father, the sultan, from ''Disney/{{Aladdin}}''. At times he acts very childish, such as collecting toys and getting really excited when riding the carpet.

* Prince John from Disney's ''Disney/RobinHood''. He's very whiny, often throws temper tantrums, constantly sucks his thumb and cries very easily.
* Prince Charming from ''WesternAnimation/{{Shrek}} 2''.

* Texas ''and'' Tooley in ''{{WesternAnimation/Motorcity}}''. When the former is telling the latter about "his" exploits, Tooley even lies down like a kid would.
* Sid from IceAge-so very, very much! Remember the time he got worried about what Santa Clause thinks?

* [[TheFairlyOddparents Timmy Turner]] will apparently become this in the future, according to his show's LiveActionAdaptation, as pictured above.

** Years later the second Batman, Terry McGinnis, throws the Joker's insults right back at him by pointing out that the Joker himself is also this trope as his fixation with the original Batman was childishly pathetic and, once you take away all the garish make up and fancy props, the Joker was really nothing more than a stupid, overgrown kid trying to make people laugh at a joke that wasn't all that funny to begin with, angering the Clown Prince of Crime greatly.

** Also, 'cause of that whole [[spoiler:Lars is an alternate Fry plot point]] in [[TheMovie Bender's Big Score]], this puts Fry's age at just older than'''''2037'''''.

** Years later the second Batman, Terry McGinnis, throws the Joker's insults right back at him by pointing out that the Joker's own fixation with the original Batman was childishly pathetic, angering the Clown Prince of Crime greatly.

* ''WesternAnimation/TheLegendOfKorra'': Despite having grown up an orphan living on the streets, Bolin is pretty immature for his age and circumstance. Justified in that his older brother Mako has done a lot to shelter him from the worst aspects of their lives, and essentially raised him on his own. There's a tinge of deconstruction to Bolin's treatment because it shows the consequences of raising a manchild on the person who shelters them from reality. Mako is emotionally stunted due to having fixated for so long on raising Bolin. His romantic relationships feature him playing the part of [[IWillProtectHer a protective figure]], and when a girl proves she doesn't need his help he loses interest.

* ''SpongeBobSquarePants''.

* The titular character of JohnnyBravo. He's in his mid to late 20s, still lives with his mother, throws temper tantrums when he doesn't get what he wants, spends much of his time playing with toys, has a lot of childlike interests, and he sleeps with a teddy bear and baby blanky often while sucking his thumb, on the other hand he's pretty perverted and constantly hits on women.
* Pops from RegularShow

* Oggy from OggyAndTheCockroaches.
* Lucius from JimmyTwoShoes.
* Humphrey from AlphaAndOmega has signs of this.

* ''WesternAnimation/{{Mr Bogus}}''

* ReturnOfTheJoker: TheJoker points out that for all the fear he invokes being TheCowl, Batman is really this trope:

* Homer Simpson from WesternAnimation/TheSimpsons.

* WesternAnimation/TheSimpsons has Homer. He often acts very childish.
* "DanVs": The titular character as well as best-friend Chris are definitely this. They both watch cartoons, read comics, and recently argued over sci-fi memorabilia. Though Dan is arguably worse, having no job and no girlfriend Chris often depends financially on his wife and wanted to give a woman a mechanized dinosaur doll as an engagement present.

* Philip J. Fry from ''WesternAnimation/{{Futurama}}'' has since the beginning of the series been the epitome of Generation X (or Y perhaps): A big 20-something man-child. He plays video games, watches TV, drinks soda by the gallon, does crazy things off of dares, and has no ambition in life except for one...love. He's that flat mate that you knew who just can't seem to truly grow up (...and is often fully aware of it. Refer to his one ambition for why this is a source of gloom for him often), but at least he's cool to hang out with.

--> "I must admit, it's sadly anti-climactic. Behind all the sturm and bat-o-rangs, you're just a little boy in a playsuit, crying for mommy and daddy! It'd be funny if it weren't so pathetic... Oh, what the heck, I'll laugh anyway! (MadLaughter)"

* Peppermint Larry from TheMarvelousMisadventuresOfFlapjack became this in the second and third season . Heavly lampsaded [[spoiler: during his BiggerBad, EvilAllAlong, TheDitz and TookALevleOfDumbass roles]]

* Peppermint Larry from TheMarvelousMisadventuresOfFlapjack became this in the second and third season . Heavly lampsaded [[spolier: during his BiggerBad, EvilAllAlong, TheDitz and TookALevleOfDumbass roles]]