Cancer

Cancer is a Marine Vice Admiral.

Appearance
Cancer is a man with sleeked-back hair, sunglasses, and a cigar in his mouth.

Abilities and Powers
As a Marine vice admiral, Cancer is capable of commanding a Buster Call alongside other vice admirals. He also has authority over lower-ranking subordinates.

Haki
It was stated that all vice admirals possess Haki, so Cancer can also use the ability. However, he has not yet been shown using it.