Billy S., otherwise known as "Billy Schilly," is an American Super Smash Bros player from New York. He is known for participating in tournaments like:
- 2021: Alpha 4 Smash Singles, Encore Smash #100 - WE MADE IT.
- 2020: AFW Saga, Let's Make Big Moves 2020, Mind Over Meta (13th), ORION 2020 (17th).
- 2019: ALPHA III, Orion 2019, Overclocked, Retro Rumble 2019, Return to Yoshi's Island, Super Smash Con 2019.