In the One Punch Superman anime, who could not become stronger even after eating a freak?

The characters in One Punch Superman's anime who couldn't become strong even after eating a weirdo included the following characters: Atom Warrior: The Atom Warrior had eaten many strange cells but he did not become stronger because of eating cells. On the contrary, the side effects of eating the freak's cells had caused his body to become abnormally weak. 2. Boros: Boros was also a member of the monster cells but he didn't become stronger because he ate the cells. On the contrary, he had become stronger because he had absorbed the energy of many strange people's cells. 3. Genos: Genos was also a member of the monster cells but he didn't become stronger because he ate the cells. On the contrary, he had become stronger because he had absorbed the energy of many strange people's cells. It is important to note that the effects of each character absorbing the strange cells are different. Some characters will become stronger while others will become weaker.