Rule 34 Dev - angry anthro audience bath beak blue_body bodily_fluids bored brown_clothing cape chalkboard chess chessboard clothing coat coat_cape column dancing dialogue eyes_closed eyewear fighting_ring fire footwear glasses gloves group guard handwear happy hat headgear headwear learning male mittens montage note open_mouth pencil_(object) pink_body saliva shoes sitting sleeping solo star student sucking sweat sweatdrop taking_notes teacher teacher_and_student teaching tired tongue tongue_out topwear youtuber mashed paintraseapea channel_4 kirby_(series) mashed_(copyright) nintendo bandana_waddle_dee king_dedede kirby meta_knight angel avian bird demon human mammal penguin waddle_dee 16:9 2023 2d_animation animated collaboration hi_res huge_filesize long_playtime painting_(artwork) short_film sound traditional_media_(artwork) webm widescreen|18417781935