|Blake and Hunter - two adopted brothers - grew up at the Thunder Ninja Academy, where they trained since they were children in the art of ninja. On the day Lothor attacked all ninja academies, Blake and Hunter were given Thunder Morphers by their Sensei. Before they could use their new powers, they were captured by Lothor, along with the rest of the academy. Lothor freed the brothers, only to convince them that the Sensei of the Wind Ninja Academy killed their adoptive parents, who were also ninjas. Using the morphers, Blake and Hunter became Thunder Rangers, and made it their mission to destroy the Sensei and his students - the Wind Rangers.
After several battles against the Wind Rangers, the Thunder Rangers finally discovered the truth in the Cavern of Spirits, where the spirits of their deceased parents appeared to them. Their parents told them that it was actually Lothor who killed them. Furious at this deception, the Thunder Rangers turned on Lothor, and joined the Wind Rangers. Blake and Hunter are top level motocrossers, and frequently practice with Dustin, who helped them get jobs at Storm Chargers as stock boys.
Blake lost his powers in the final battle against Lothor, who stole all of the Ranger powers for himself before being defeated. After graduating from Thunder Ninja Academy, Blaek went on to become a professional motocross racer.
When he battled the Wind Rangers, Blake found his attraction to Tori conflicting with his mission of vengeance. He ultimately did use her to gain access to Ninja Ops, but not without feeling remorse. As a teammate, he actively pursues his fellow Blue Ranger, sometimes to the chagrin of his brother. As the Navy Thunder Ranger, Blake harnesses the power of thunder, and pilots the Navy Beetlezord.