Skull Servant + Akakieisu → Magical Ghost

Skull Servant + Doron → Zombie Warrior

Skull Servant + Petit Dragon → Dragon Zombie

Skull Servant + Air Marmot of Nefariousness → Shadow Specter

Skull Servant + Hinotama Soul → Fire Reaper

Skull Servant + Aqua Madoor → Magical Ghost

Skull Servant + Kagemusha of the Blue Flame → Zombie Warrior

Skull Servant + Dryad → Magical Ghost

Skull Servant + Masked Sorcerer → Magical Ghost

Skull Servant + Trap Master → Zombie Warrior

Skull Servant + Fiend Sword → Armored Zombie

Skull Servant + Skull Stalker → Zombie Warrior