Replying to Whats a good pet for an apartment (that allows no cats/dogs or alligators)

only animals that can be caged and shit I guess.

It seems I can have small furry things, and fish and other shit like that.

What options are there? no dogs. no cats. no wild creatures. ive already asked about unicorns and vultures and shit and they said no.

I keep thinking....hamster.......but then again sometimes I run out of hot dogs and I do drink a bit at times...............

what should i get