Of course, staying ahead of someone like Goku is not an easy task, and Gohan's strength tends to fluctuate heavily depending on his training regimen, so he rarely keeps his lead over his father.

From the next tier of characters, I'd say that Awakened Sukuna Mahoraga has solid damage and the best AoE among them. Dio, Ulquiorra, MUI, Megumi, and Yamamoto: they have great damage output, but ...