Easily frustrated by the contestants' lack of concentration, and would rather have Yellow Crayon or Green Crayon host.
As of "Who the hell recommended Glowing Heart," it's established that Red and his fellow crayons reside inside of Crayon Box. He is quick to start a conflict with his fellow co-hosts and is generally sharp-tongued with them.
As of Episode 1, none of the contestants know what his purpose is. However, he has a general dislike for the contestants, calling one that asked Crayon Box a question "disrespectful."
Red Crayon is a deep red, rectangular crayon with an unscathed crayon top.