Placed in charge of guarding his fellow Maximals from a surprise Predacon attack, K-9 is always alert thanks to his lightning-fast reflexes and ultra-sensitive canine nose. While other Maximals plot defense strategies, K-9 stands guard to survey the surrounding area for signs of Predacon spies. But even if he encounters an entire attack force, he can hold them off with his fast-fire missile launcher until reinforcements arrive. When it comes to combat, K-9's bite is definitely worse than his bark!
K-9 appeared in the following 8 comic books: