Dak appears for the first time along with Eddie in The Terrible Twos, reading comics in a slushy store. They are kicked out by Kellaway, stating that the place wasn't a library and that boys like them ruin the world. The boys decided to become a superhero like their idol, Insector The Bugman, by taking a bug with them into a nuclear plant to mutate, and then give Kellaway a lesson. After getting radioactive, both realize that they have forgotten the bug and then both faint. An ambulance arrives to take them to a hospital but in the way the ambulance crashes, causing their stretches to fall and then and into tow different shops. Dak falls into a spackle shop and mutates to a putty monster, Eddie falls into an aquarium and mutates into a humanoid fish. While Dak has the ability to shapeshif