Who is the enemy of Dora?

Dora the Explorer's main enemy is Swiper, a sneaky fox who often tries to steal items from Dora and her friends. He is known for his catchphrase "Swiper, no swiping!" which Dora and her friends use to stop him. Despite his mischievous nature, Swiper serves as a playful antagonist in the series, adding excitement to Dora's adventures.