penguin, n.Definitions

The Penguin is a fucked up winter goose.

The Penguin is just a chicken in a wet suit

The Penguin is just a chicken fish

The Penguin is just a fish with a beak

The Penguin is a fat magpie

The Penguin is a goth seagull.

The Penguin is just a bird that got put on the do not fly list

The Penguin is an animal that mates for life. Given that they all look alike this is not all that surprising. It's not like they're going to meet a better-looking penguin someday.