Julius is a skinny young man with messy orange hair who wears large spectacles. He has abnormally large incisors on the center top of his mouth. He is always seen wearing his Mr. Smoothy uniform.
In Malefactor, Julius worked at the Dunk Ben 10 ticket booth.
Ben 10: Omniverse
- Blukic and Driba Go to Mr. Smoothy's (first appearance)
- The Frogs of War: Part 1 (cameo)
- The Frogs of War: Part 2 (cameo)
- Something Zombozo This Way Comes (cameo)
- No Honor Among Bros (cameo)
- Universe vs. Tennyson (cameo)
- Rook Tales (cameo)
- Fight at the Museum (cameo)
- The Most Dangerous Game Show (cameo)
His name comes from Orange Julius, a drink made from sugar, ice, and orange juice, the orange part is the color of his hair, while Julius is his name.