Here's a few of my favorites I've accumulated overtime!
Ignious - Hero - Sentinel - Fire/EnA
Qidarae - Hero - Corrupter - Seismic B/Marine A, she is an ancient island goddess.
Urazeal - Hero - Sentinel - Dark B/Bio, He's a father, and his daughter was trapped by an eldritch god, and he made a deal to become it's host in preparation for taking over the world and the god would set his daughter free. He now devotes his life to stopping this eldritch take over.
Valomyr - Hero - Peacebringer
Vermillion Void - Hero - Dominator - Gravity Controller/Dark Assault, Astronaut trapped in a cosmic void that binds to his suit.