Cisco Ramon

Cisco Ramon is an upcoming main character in The Flash. He is a mechanical engineering genius at S.T.A.R. Labs who had come from a rather poor family and provides much needed comic relief near his stiff workplace.

Arrow
Prior to the The Man Under the Hood, Cisco and Caitlin met Felicity Smoak when she had visited Barry Allen while he is in a coma.

The Man Under the Hood
Cisco is first seen with Caitlin Snow at S.T.A.R. Labs doing inventory because is going to be shut down. The two are also talking about what happened with the particle accelerator and how even though that it was an accident they could say that to the families who lost someone but Cisco says that Caitlin should find a way to say it to herself. He and Caitlin then hear someone movement in the warehouse and go investigate, they find a security standing in one of the isles but, he soon drops to the ground dead with Slade Wilson standing behind him. The two make a run for it and eventually manage to evade him using some old equipment, they then run off and report the incident. She is next seen at the hospital when Felicity Smoak and Digg walk in. Felicity asks how Barry Allen is and Caitlin tell hers that he is still the same. Cisco mentions that Iris West has been visiting Barry, and as Felicity asks who Iris is, Cisco struggles to explain their relationship. He is last seen alongside Caitlin when Felicity walks in with a vile of Mirikuru and that she needs their help and it will be their "little secret".