Tesla is an E-rank villain brought in as part of the League of Villains' massive recruitment drive for the U.S.J. Incident—one of roughly 70 hired muscle for what amounts to a minor role in that arc.
Physically, he's a tall, lean guy with slanted grey eyes, beige skin prone to breakouts, and a distinctly grim aesthetic. He wears a dark green sleeveless bodysuit with a white belt and black boots, and goes full skull-mask for his face covering.
What's interesting about Tesla is that he's genuinely strategic despite the E-rank label. He targeted Denki Kaminari specifically because his electrical immunity made him a non-threat, and he caught onto Kyoka Jiro's plan almost instantly and shut it down. That said, he's not heartless—he admits to feeling a certain kinship with other electric Quirk users and would rather not fight them if he doesn't have to. It's one of those rare moments of character depth in a throwaway villain.
His Quirk lets him harvest and manipulate electrical currents, which he can weaponize for attacks or use defensively to jam other electrical signals. Basically, he's a living electrical battery with some tactical options.
The name's a pretty straightforward nod to Nikola Tesla, the famous inventor and electrical engineer.
Content compiled by AnimeList.moe from publicly available sources.