A LEGO DUPLO block running

A four-leaf clover saying "Nice shirt, cigarette" to a bald kid wearing a I <3 Earth t-shirt

Katy t3h PeNgU1N oF d00m

An old lady with yellowing teeth and a coat for a mouth

A yellow-bellied lime green dragon wearing a top hat

A fish that's flying and breaking the sound barrier

A guy smiling creepily while a tear falls from his left eye

The G-Man looking over Chell while she's testing. The G-Man is everywhere.

The companion cube proposing to Chell and asking "pls"

A green frog with huge red lips crying for joy.

A blue haired, orange skinned duck with only a head, and the head only has eyes and a beak.

A man drinking Jack Daniels #27 GOLD while sitting on the world's worst chair at a metal table