Who is Gekko crush in PJ Masks?

Can you tell me more about the character Gekko Crush in the popular children's show PJ Masks? I'm curious to understand his role in the show and what makes him stand out as a character. Is he a hero or a villain? What kind of powers does he possess? And how does he interact with the other main characters like Catboy, Owlette, and Gekko? I'm eager to learn more about Gekko Crush and how he fits into the exciting world of PJ Masks.