My 4 Best Champ Concepts.

Eel, The Noxian Escapee [Whip/Beast Rider Champ]

Gander, The Gaiyic Forger [Scout/Forger Champ]

Juels: The Malevolent Minstrel [Royal Servant/ Musician Champ]

Moguoi, the Lonely Phantom [Phantom Champ]