Sinker can use his large, razor dorsal fin to slice objects up to the size of a yacht in two. He has a blind spot on his dorsal fin, and he will become immobile if forced into a horizontal position because of his large fin. He can swim underwater, like a shark.
Due to the blind spot on Sinker's large dorsal fin, he will become immobile if forced into a horizontal position.
- His one true place is at a Japanese restaurant, where he uses his sword-like fin to cut up fish fillets and vegetables for the chefs to make sushi.