Any animal, fictional or real, wild or domestic. It would be guaranteed not to harm you or anyone close to you, and you would have the means to take care of it for the rest of its life.
Mine would be a grizzly bear. Bears are my favorite animal, because they can be both badass and adorable...
I'm just kind of polling around just to see what everyone's favorite animals are by type.
What's your favorite?...
Here's my answers.
Mammal: grey wolves
Reptile: American alligator