Cell Jrs.

The Cell Juniors are created during the Cell Games, after Gohan tells Cell that when he is angry, his strength increases. In order to infuriate Gohan enough to release his hidden power, he has them attack Goku, Vegeta, Trunks, Piccolo, Krillin, Tien Shinhan, and Yamcha. The Cell Juniors are extremely powerful and have strength equal to Super Saiyan Goku. They fight most of the Z Fighters without fighting seriously; two of them easily beat on Tien and Yamcha (one of them even brutally breaks Yamcha's arm), another two beat on Krillin and a tired Goku from his fight with Cell. Three of them are fighting on par with Piccolo, Vegeta, and Trunks. One is even strong enough to catch Vegeta's Final Flash and throw the attack to the side (this is in a filler portion of the anime).However, after Gohan becomes infuriated by the Cell Juniors' assault on the Z Fighters, coupled with Cell's killing of Android 16, his hidden powers awaken and he transforms into a Super Saiyan 2, allowing him to easily slaughter all of the Cell Juniors one by one with effortless blows, shocking the Z Fighter