Cardgames on hippos dessert-based sheep! The original dimension never split in their universe; the cities from the other dimensions are just in different places to Maiami, and places have their popular summon methods (of which Maiami's is still Pendulum) but there's a pretty good mix everywhere. They're an entertainment duelist in training - following in the footsteps of their dad - who uses Madolches, on account of them being both super adorable and super annoying.

(The archetype, that is, but if the shoe fits.)