Lester is a nerdy kid who likes to hide in his locker. He is voiced by Mark Edwards.
Although Lester acts like a nerd, he's very confident and believes himself to be superior. He prefers to lock himself in his school locker and play computer games. In the episode Larping in the Loop, he is shown to take part in larping (Live Action Role-Playing) with an alien race. In addition, he is a walking encyclopedia about science fiction and complex scientific concepts. If anyone is going to see through the time loop, it's Lester!
He is a short, very slender boy with long brown hair, tan skin, and wears large glasses, orange coat, red shirt with bomb on it, blue jeans and large grey shoes.
- All Things Being Sequel
- Sickwich (Non-Speaking Cameo)
- There's a New Principal in Town
- Monster Stink
- Monday Circles
- Loop it Forward
- Sooper Loopers (Non-Speaking Cameo)
- Larping in the Loop
- Ronnie Trasco
- Loop - There it is
- Loopy Loops (Cameo)
- Out of Time (Non-Speaking Cameo)
- Plight at the Museum
- Power Plant
- In the German dub, his name is Lennart.