Thomace Billow is a former Marine Vice-Admiral who allied himself with Brandon Note. He uses his Devil Fruit; the Hito Hito no Mi: Model Yeti and his diamond spiked ice bat in combat. He arrived at Barmount Island after he was sent by Marine Headquarters to kill him. However, all his companions were killed and he started to respect Note's strength. They allied up and made their way through the New World.
- Thomace Billow and Marines vs. Devin Rain and pirates
- Thomace Billow vs. Brandon Note
- Thomace Billow vs. Meldin Horn
- Thomace Billow and Meldin Horn vs. Doma