>>58039801
I don't even know if you could objectively rank some of them fairly. Anabel, for instance - by game logic, she could have a number of different movesets and hold items between Emerrald and Gen 7.

By anime logic, she has a borderline superpowered empathy towards Pokemon, which enables her to have a deep, resonant connection with any Pokemon and allows her to "telepathically" communicate with her own Pokemon.

The Frontier Brains are unironically all contenders for spots in the top 20.