Buck is Katja's sidekick. He makes an appearance in Starshine Legacy: The Riddle of Dark Core, and can also be found in Star Stable Online as a resident of New Hillcrest.
Starshine Legacy: The Riddle of Dark Core
James is being bullied by Buck at school before Alex steps in and stops him.
When Linda and Alex study ancient texts in the library, one of the images represents Buck, with tentacles instead of legs, fighting the Soul Riders.
When Alex later challenges Katja, it is Buck who fights her.
- Buck is often seen carrying his hockey stick with him.