Slaad is a creature of pure Chaos living in Limbo. They are froglike humanoids. Slaadi (plural) hierarchy is
Mud Slaadi > Red Slaadi > Blue Slaadi > Green Slaadi > Grey Slaadi >
Death Slaadi > White Slaadi >
Black Slaadi > The Slaad Lords (Ygorl, Ssendam, Chourst, Rennbuu and Wartle)