I'm not sure how I missed this picture... Everyone in this looks so derpy! XD

Original description:

I missed last year. Have this comic.
Try guessing their costumes. Warning: Really obscure, well, except for Adventure and Pory.

Give up? Okay; here's the list.
Kumnyama - (1st and 2nd Panel) Robby Takac, Goo Goo Dolls
Mudfoot (3rd Panel)- Johnny Reznik, Goo Goo Dolls
Esihlathini (4rd Panel)- Ripberger, Homestar Runner: Cheat Commandos
Onesibindi (5th Panel)- Shruikan, The Inhertiance Cycle
Adventure [Right] & Pory [Left] (Last panel)- Mario and Luigi

(Originally posted 10/30/22)