Red ghost Oga, blue ghost, and white ghost.
1. Red Ghost Oga
There is more than one powerful gourmet cell demon residing in Alu’s body, and its red demon is the one who was once known as NO.1 in the universe. The warrior OGRE (Oga) has a gentle temperament, but once angry, he is invincible. He is characterized by a very sensitive sense of smell.
After Aru ate GOD and CENTER, Oga's power has been fully restored. At this time, he only needs to eat Aru again to achieve complete resurrection.
But Oga developed feelings for Aru because he accompanied him all the way, and chose to give up on his own initiative, and deliberately let Aru eat himself to stimulate his awakening, and said that he would become a A part of Alu joins him on a culinary journey.
2. Blue Ghost
During the battle with the King of Horses, Aru awakened the power of the blue demon. His temperament is more flamboyant than Oga. Aru has a blue head. The hair is due to the blue demon living in his body (Aru originally had black hair, but later turned into blue hair, and every time the blue demon leaves the body, Aru will turn back to black hair).
The food favored by the blue devil is different from that of the red devil Oga. The food in the "red universe" cannot satisfy his appetite, so he has been waiting to be swallowed by NEO. A large amount of " Ingredients in "Blue Universe" are reborn.
3. White Ghost
The white devil with wings hidden in Aru's body. The three scars on Aru's face when he was born are the characteristic signs of the white devil. .
Awakened when eating the ghost shell sealed by the gold can, and appeared for a moment when Aru and Acacia were fighting for GOD and had their necks broken. Acacia was so frightened that Aru was knocked away, and the final battle began. At the end, he received NEO's last punch and stabbed NEO's head with one finger.
Called a "troublesome guy" by OGRE, Blue Ghost said it has terrifying energy and bluntly said that White Ghost is better off lying down. He calls Alu "Mr. Alu" and likes to hear Alu say "Thank you for the hospitality" after every meal.