Tucker (Japanese: ヒース Heath) is the Frontier Brain and commissioner of the Battle Frontier's Battle Dome. He is the only character in the games to have the Trainer class Dome Ace (Japanese: ドームスーパースター Dome Superstar).
You can add as many animals as you like in as many breeds as you like. The only rule is do NOT be weird about "spirit animals;" see here for more info: https://www.wellandgood.com/spirit-animal-native-american/
