Grodd (Earth-1)

History
Grodd is a super-intelligent gorilla who has fought with The Flash in the past. The Flash ended up trapping him in Earth-2.

He would later return to Central City in search of the Flash. He kidnapped Iris West in order to draw The Flash out, but he would end up losing to the Flash, and was sent back to Earth-2.

Related

 * Appearances of Grodd (Earth-1)