Mark has blond hair swept forward and wears a dark purple turtleneck. Mark also has a cleft chin.
Marco is Mark's ancestor and a bandit who teams up with Eduardo and Juan in Saloonatics. He seems to understand English despite speaking only Spanish, much to Eduardo's frustration. He was voiced by Eddsworld: Legacy donator Chris "KKortez" Cortez.
- Hammer & Fail (Part 1, Rival Builders) (Debut)
- Hammer & Fail (Part 2, Rooftop Rumble)
- Space Face (Part 2) (Cameo)
- Fun Dead
- The End (Part 2)
- In Fun Dead Mark appears five times, and is with the Zombehs most the time, but doesn't get transformed into one. This is due to the gang's car splashing blood on him, making him look like a Zombeh.
- In a flashback scene in PowerEdd, a young Mark is seen wearing glasses and having a square chin like Matt.
- Mark can be seen holding a gay pride flag in a Crash Zoom comic.
- He is the only member of Eduardos Gang not to Posses a Hispanic Name