Marcus (Earth-Prime)

"Marcus is a really good guy. So maybe stop thinking about what it is you have to lose and start thinking about what it is you might gain, you know?"

- Mark Blaine to Caitlin Snow

Dr. Marcus is a botanist and the ex-boyfriend of Caitlin Snow.

Abilities

 * Botany: Marcus holds the title of Doctor and is an experienced botanist.

Trivia

 * According to Alex Danvers, Marcus assisted the DEO to develop an algorithm that worked at the speed of light. However, he was later said to be a botanist by . It is possible that Marcus' field of expertise shifted when the timeline was reset by The Flash.