OJ is a character from Mother 3. He is the saxophonist in the band DCMC. He first appears in Chapter 4.

When Lucas goes to the concert, after the concert he meets Violet, and then goes to Lucky's room to play Stone-Sheet-Clippers with the band members. OJ later appears with the rest of the band in Chapter 8 for a concert and to beat up the last of the Porky Bots.