seems legit

a six-legged pony with a purple polka-dotted mane and shootin' stars comin' out of its ass?

Mario is in the back of a van. There is also a creepy old guy in the van... the rest writes itself...

a brony trying to fly like rainbow dash, but instead just farting rainbows

a serious looking duck sniffing some swirly thingy

crappy drawing of nuclei after fissioning

Nightmare Moon's return...

some guy sitting on top of a roof during a flood. btw the guy unproportionally large!

a cardboard box with arms and legs

a sunflower for a house

raichu on a disco floor with lights, possibly jacking off...

deformed stick figures