Boon

Boon was the leader of the "invisible" spaceship onto which Gohan, Krillin, and Bulma stumbled during their journey to Namek. Frieza's forces had attacked Boon's planet and nearly exterminated his race. His entire family was killed before his eyes by Cui, who also zapped him across the cheek with a ki beam from his fingertip, giving him a scar - which he hid with a small bandage.

He and several others escaped into a special ship whose hull was constructed of mirrors, allowing for an illusion to make it appear invisible in space. At first, Boon thought that Gohan and his friends were the minions of Frieza, and nearly ordered their deaths, until they helped them fly through a meteor storm.