Jerri Rig appears as a young lady wearing a black suit with black gloves with a light pink lab coat over it. Her hair is a bright red. The top half of her head is covered by a mechanical piece of headgear that looks like a big cube-shaped device, maybe a camera or something.
Jerri is a reckless, witty, and energetic inventor and time traveler. She uses her time-traveling skills to host the trivia game Timejinx. She ensures that any anomalies are fixed by the end of the game.