Rupture

Dante Ramon or known as Rupture is a secondary villain who appeared in Flash in the second season of the series, he is the brother of Reverb in Earth 2 who was killed by Zoom manipulates him kill Team Flash.

The Flash
Rupture is an altenative version of Dante Ramon, who was an ally of Zoom, who decided to want to dominate Earth 1, the thought Reverb had been killed by his version of Earth 1 which was Cisco Ramon, who actually killed him was Zoom and not Cisco.