Ekorok, Yorok and Boomerok

Ekorok: It is able to learn moves such as counter and mimic. With the instinct of echoes, it'll throw any attack right back at ya.

Yorok: It specializes in hit and runs. You might get knocked down only to see it already meters away.

Boomerok: With enhanced psychic powers, it prefers to hurl stones at its opponent and then return them to its magnetic field.