Paul grew up in the Octo Valley and grew up there until he was about 12 years old, until he escaped to the surface with the others. Being without a mother who helped him escape to the surface He wandered the streets until he was sheltered by an aspiring musical group SashiMori. He had the ability to DJ thanks to his mother, so he immediately became their companion and younger brother, whom they took care of and educated. 6 years later (during Splatoon 3), after the release of the band's new album and two songs, he decided to finally find out what happened to his mom (Acht).