Here's our first look at Echo Kellum as Mr. Terrific from the fourth season of 'Arrow.' His character is described as a "tech savant, the openly gay character—played by comic Echo Kellum—is based on Michael Holt, a member of the Justice Society and Checkmate in the DC Comics universe." "Curtis is someone we started talking … Continue reading ‘Arrow’ Season 4 – First Look At Echo Kellum as Mr. Terrific