Why does robin know acrobatics?

Robin knows acrobatics due to his extensive training in various forms of combat and performance arts. As the sidekick to Batman, he has honed his skills to enhance his agility and reflexes, making him an effective crimefighter. His background often includes rigorous physical training, gymnastics, and Martial Arts, which contribute to his acrobatic abilities. This skill set allows him to navigate urban environments and engage in dynamic combat scenariOS effectively.