Giotto Black (ジョット·ブラック, Jotto Burakku) is a member of the Cipher Pol, currently assigned to the Null Squad, where he is the leader of the numerous Cipher Pol agents in the group. The former partner of Aisa Himegami during her time in the Cipher Pol, he is madly in love with her and is hellbent on "rescuing" her from the filthy pirates who have stolen her away from him. A fearsome combatant, by Aisa's own admission she has never defeated him in combat, he is second in the Null Squad only to the leader Xanxus, having easily defeated even Jim Hawkins a logia user who is considered to be a monster by his subordinates.