* CrossesTheLineTwice: Really, the only plausible explanation why many people think that a [[ToServeMan man-eating]] EldritchAbomination [[ArsonMurderAndJaywalking named after]] [[VulgarHumor male genitalia]] is funny.
* MemeticMutation: While he isn't the ''first'' [=GMod=] Monster, he's easily the most famous.
* OnceOriginalNowCommon: The fact that Painis Cupcake has been used so much by [=GModders=], plus the [[FountainOfExpies countless amount of similar GMod monsters that followed]], has caused some people to criticize Painis Cupcake for being boring and overused.