Mrs. Levin is a caucasian woman in her late 30s/early 40s. She has long, black hair and she wears purple jeans and a black, long-sleeved shirt.
Before her husband Devin was killed by Ragnarok, she bore a son with Devin: Kevin, She was told of Devin's death by Max and kept the knowledge of his murderer from Kevin, only to later revealed it to him in Vendetta after Ragnarok broke into their house searching for his ships key while Kevin and his mother were out of the house. She seems to be well aware of her husband's job as a Plumber and was proud of him, she also told Kevin stories about him.
Mrs. Levin made no appearances during the original series and was only mentioned by Kevin in Kevin 11. When Ben asked Kevin about his family, Kevin responded; "Long gone. They weren't too thrilled having a freak for a son, but it just means I don't answer to nobody".
Ben 10: Alien Force
Mrs. Levin makes her first and only appearance in Vendetta, where it is confirmed that Kevin is living with her and he has a curfew. It is also evident that Kevin strongly loves her, and that she loves him too. She's also portrayed as not being put-off by Kevin's mutation during season three.