The ones that aren't noted or tagged are in post #1083800
Not all of them. The trio under Colonel Sanders (Three Dango Brothers, maybe?) and the one at the very bottom right (I keep thinking it's an anthropomorphic stag beetle, for some reason) aren't in that post.
Ronald McDonaldWally/WaldoHamburglarAyanami ReiColonel SandersBibendumProfessor LaytonMovie ThiefRilakkumaBob RossDanboHello KittyKyoro-chanBoss CoffeeGachapinMickey MouseBarbapapaPatliteGlico-manHikonyanConnieMukkuLion-chanMuminDuke TogoNarikinDemon Kogure KakkaUnnamed punkish mascot on the package for the cheap snack "Taratara Shiten'ja Nee Yo" (roughly, "Ain't No Sweat"). Likely made from tara (cod, haddock, or related gadid fish), the snack has a very spicy "ethnic" flavor, so the name's meant to evoke enduring the heat.Snufkin/ SnusmurikenKewpie dollGuriGuraKarl Ojisan Mascot of the Carl brand snack foods, which are roughly like Cheetos.Black JackGrandma Mascot for Obaachan no Potapotayaki (Grandma's Rice Crackers)Dango 3-Kyoudai (3 Dango Brothers)Boukun HabaneroPaul Palgen
the Cardboard Box Gundam.Jigoku no Misawa Artist with a peculiar art style which inspires meme-level imitation.Gorori Character from Tsukutte Asobo.