Todomomo

They have Rei and Haruhi the crackheads.

Kirimina

They'd totally get a pit bull but I'm pretty sure their illegal in Japan so they got a Rottweiler or sm.

Miruhawks

No, Dove runs from her own shadow, a cat or anything makes her freak out. They could only have bunnies but they're already bunnies.

Iidamei

They have Mei

Kamijirou

They have a pet turtle.

Dabi x Toga

Yes. A pit bull

Nejitama

Yes, A cat.

Mt.Kamui

No

Ryushot

A pet snake. And an iguana.

Reiko x Shinsou

A cat and a chinchilla. Reiko loves Chinchillas and begged for one when they first moved in together.