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This lil' bab.
If Pokemon became real suddenly, I wouldn't set out on a journey, I'd make money off of all the other people setting off on their quests.
Azurill is cute and would make a nice pet, and would probably be easy to care for. Even though Grass is my favorite type, it's snowy as fuck right now so this is a good alternative. When it evolves it'll be strong as fuck with Huge Power, so I don't mind the time investment waiting for it to evolve.
2nd choice is a Zoura or Mawile, but they don't seem like good beginner Pokemon in that they'd be pretty difficult to maintain around the house.