Sub

Sub (サブ, Sabu) is a member of the Bomb Devils.

Appearance
He has spiky hair, narrow eyes and a tattoo that resembles a bat on his forehead.

Plot
Greed Island arc He is defeated by Killua in a one-on-one fight, in which he is used as a test subject for Killua's new yo-yo and electricity techniques.

Abilities

 * Sub is relatively good at hand-to-hand combat and using Nen. Killua notices that even though Sub's strength and fighting ability are weaker than his, he will still be done for if he takes a hit from Sub.
 * When Sub, Bara and Genthru put their thumbs together and say a keyword, the time bombs conjured by Genthru will explode simultaneously.