Captain Atomic's Atomic Yoyo is a tool used by Captain Atomic. Captain Atomic can ensnare enemies with the Atomic Yoyo. He can also create a powerful shield made of pure energy with the Atomic Yoyo. Captain Atomic can use melee combat with the Atomic Yoyo and make a powerful blast wave by slamming his Atomic Yoyo to the ground. Captain Atomic can nullify energy by using his Atomic Yoyo as well as fire a blast of pure energy with his Atomic Yoyo.
- Given that Captain Atomic might be a parody of Marvel's Captain America, his Atomic Yoyo closely resembles Captain America's shield.