Home / Sidekicks Assemble! Sidekicks Assemble! Robin, Speedy, and Aqualad team up to earn respect and stop Ra’s Al Ghul from attacking the world. Batman: The Brave and the Bold Aquaman, Batman, Green Arrow, Harvey Dent / Two-Face, Plastic Man, Ra's al Ghul, Red Tornado, Robin, Scarecrow, The Joker, The Penguin