Strange potato man with the one ring around his neck shouting at a rectangular headed man

The Doctor emerging from his TARDIS naked and erect, brandishing the universally feared Floppy Hand of Skaro.

Shark claiming to eat rocks.

Insane person being aimed at by a Portal turret.

SuperMeatBoy

Defiant gum refuses to conform to a PE teacher's sick regime of rope climbing and bell ringing.

Zoidberg

A pink splodge

A brain

Sad naked stickman writing on a grey table

Black guy

'5', 'H' and '3' on yellow, grey and brown platforms, each platform descending to the right.