Paul10 William "Pakko" Warner was born in Acme Falls, Warnerstock to Dakko and Samantha Warner. In 2008, when he was 9 years old, he moved to Acme Acres, California, with his siblings, Makko, Jot, and Sikko, and their cousins, Zak and Ko. A year later, they began attending Acme Looniversity, which they graduated from in 2012, at which time they were drawn up at the Warner Bros. studio, where they, with Yakko, Wakko, and Dot, started Zany to the Max.
- Pakko's name was created through rhyming slang.
- His brother Rokko and sister Chell do not appear in Zany to the Max.
- He has successfully pacified and befriended a Huckel.