From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Greger is an Arlian.
Greger appeared in "Terror on Arlia". He had been Moai's champion until Lesoy defeated him in a duel. As the loser, Moai's guards threw him into The Pit where he was eaten by Yetti as he begged for his life.
- Mouth Energy Wave – All of Moai's guards can shoot energy waves from their mouths.
- Sword – All of Moai's guards are swordsmen.