marine vessels designed to cut in half with his huge dorsal fin.
is cutting vegetables and fish fillets in a Japanese restaurant.
Sinker is a.k.a experiment 602 and designed to sink entire navies and their ships with it's sword-like dorsal fin. He is known for having a bit of a temper, especially about its size compared to its fin. However, he never misses on his attacks. He also can sit on land as long as his skin is wet, much like a mudskipper. His one true talent is making sushi at a Japanese restaurant down the block.