The Season 2 premiere of Loki on Disney+ brought back many fan-favorite characters from the first outing. Owen Wilson's Mobius returns, along with Wunmi Mosaku's Hunter B-15, Sophia Di Martino's Sylvie and, of course, Tom Hiddleston's Loki. However, the addition of Ke Huy Quan to the cast is a delight for many reasons, with the Oscar-winner playing a technician named Ouroboros, aka "O.B."
Source：https://www.cbr.com/ke-huy-quan-loki-character-explained/
