- “I'm not just some other version of you... I specialized in hacking into multiverse databases in order to create new identities. I could change your world in an instant. You see, somewhere out there is a Cisco Ramon who isn't as lucky as you are and doesn't have the job, mind, or life you have, but if the price is right, Echo can reverse those fortunes, and you might just wake up tomorrow living someone else's life...”
- ―Echo
Echo is a minor antagonist in the sixth season of The Flash. He appears as the main antagonist of the episode "Kiss Kiss Breach Breach." He is a criminal from Earth-19 and Cisco Ramon's doppelganger. Unlike the previous dopplegangers who have appeared, he is not a metahuman. He is portrayed by Carlos Valdes.