Dino Stego serves as a Core Dino Knight, embracing his role as the group's primary combatant and self-described "tough guy." He exhibits a strong eagerness to engage the Dragozaurs in battle. While aggressive in combat, he maintains personal relationships, including a romantic connection with Daisy.

His signature combat technique is the Stego Skeletal Revolution, where his rotating ribcage ensnares and spins enemies. He also wields equipment from fellow Dino Knights, notably using Dino Kenty in drill form as an additional weapon.

Physically, he manifests in two forms: a metallic warrior during combat and a fossilized Stegosaurus during dormancy. This Stegosaurus form incorporates natural characteristics like dorsal plates and tail spikes into his armored design. Toy representations depict him as a green, transforming figure approximately six inches tall, featuring molded spines and tail sections.

His background identifies him as one of the prehistoric animals converted by the planet into Dino Knights roughly 65 million years ago to counter the original Dragozaur threat. After that ancient conflict, he remained fossilized until reawakening in the present era to combat the Dragozaurs' renewed campaign. Throughout the series, he operates consistently within the Core Dino Knights unit, participating in group strategies while favoring direct confrontation. His development remains focused on this combat role.