Hero Star is a superhero from Dora's Pirate Adventure and appeared in a flashback sequence of Star Catcher where Abuela caught him when she was a little girl. He also made a cameo appearance in Star Mountain.
His ability is lifting up heavy objects, similar to Supra, Ultra, and Mega Star. He is stated to be the strongest Explorer Star of them all. Even stronger than Supra, Ultra, and Mega.