Eric Salov

Eric Salov aka Uncle Eric as his nephew and niece call him, is the uncle of Jake Grayson, Sam Nora, and Vincent Mac. He is in his 50's. He is a little bit fat and a bit slow, but has skills and training and loves vegetables. He volunteered in taking his nephews and niece on a road trip.

Backstory
It was revealed that Max Tennyson was his mentor and that Eric went to the plumber academy with Cooper and the other Plumber Helpers.

Alien 10
Eric Salov is a Plumber who volunteered in taking his niece and nephews in a road trip.

Trivia

 * He hasn't said that he was a Plumber to any of his relatives.
 * He loves fruits and vegetables unlike Jason Grayson, his nephew.