* Cat from ''CatAndGirl'' is a major one.
* The eponymous character of ''HannaIsNotABoysName''. Complete with GenderBlenderName, [[ExactlyWhatItSaysOnTheTin natch]]. Notably, he is seen in an official guest strip [[http://hanna.aftertorque.com/?p=578 making a face more commonly seen on]] SpongebobSquarepants ("FREEEEEE"), doesn't narrate the comic ''because'' he's too hyper, and has a TallDarkAndSnarky sidekick/[[HeterosexualLifePartners Heterosexual Life Partner]] who ''does'' narrate (and is more than OneHeadTaller than Hanna). Hanna is not quite 5'3", has almost-fluorescent [[RedheadedHero red hair]], often dresses fairly colourfully, is quite the MotorMouth, ''and'' is [[OlderThanTheyLook Older Than He Looks]]: as his bio says, he's "best described as an overly enthusiastic, obnoxious child in the body of a twenty four year old man." Except not exactly the body of a twenty four year old man, because he looks so young that nobody ever believes he's an adult.
* Kazuki from ''Kenshiro no Tabi'', who upon imbibing triple-sweetened strawberry-milk released enough energy to create a nuclear explosion.
* Rocky from ''{{Lackadaisy}}''. A skinny sugar addict smartmouth, Rocky's boundless energy combined with poor impulse control regularly gets him into trouble.
* [[LoveYouAndEverybody Taisei]] from ''Webcomic/{{Sakana}}'' does fit the "hyperactive", "cheerful", and "loud" part, but he's not exactly small.
** Jan also qualifies.
* T-Bob from ''SomethingPositive'', described in an early bio as "the living embodiment of caffeine."
* Pretty much deconstructed in ''[[http://fritzfargo.com/ The Quick and Dirty Life of Fritz Fargo]]''. Fritz is five-foot-nothing, [[MoodSwinger very emotional]], [[CuteButCacophonic very loud]] (he's a vocalist in a [[GarageBand rock band]]), and very, very energetic. He also has a HeterosexualLifePartner who's OneHeadTaller than him and twice as broad as he is, AnimeHair, a missing tooth that makes him [[OlderThanTheyLook look rather childish]]... and a really serious cocaine habit, which is why he's so hyperactive.
* Selby the spaniel from ''WoodsForTheTrees''.
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