From Loonipedia

The Ring Master is an evil villain from the world is my circus and his sidekick is Otto the little clown

His Methods are making Galactic Oddities and Made oddities out of the Loonatics and other people with the Dna Scrambler

The Ringmaster was voiced by Tim Curry.

Loonatics Mutation
Loonatics Member Animal 1 Animal 2 Switches Powers With
Rev Armadillo Bat Tech's Powers
Lexi Amphibian Skunk Slam's Powers
Ace Bear Deer Duck's Powers
Tech Zebra Crocodile Rev's Powers
Slam Lion Panther Lexi's Powers
Duck Gorilla Horse Ace's Powers