He was not known to have created Sledge, Keeper, or Zenowing. He just hired Sledge to capture an army for him while Keeper and Zenowing only served as his enemies.
He was responsible for getting Heckyl turned into Snide with the Dark Energem.
Served as the final villain the Kyoryugers fought. Being destroyed by Daigo Kiryu.
Despite being the greater scope villain, he did not serve as the final villain. He was destroyed by Sledge and Snide in the original timeline, and likely by Zenowing and Heckyl in the altered timeline.