Son of Pezcore is a promo released by Less Than Jake which features 6 songs from Pezcore. The CD was given out to radio stations. The original version, which was limited to 5000 copies, came with a full color poster, a sticker and one of four different colored spark guns: Blue, Red, Orange, and Green. A second version with a different cover and without the toy gun was also made but limited to only 75 copies.