Gohan's final Dragon Ball Z form has had many ... with him likely still being weaker than Fat Buu, so Shisami's victory over him isn't an indication he'd perform as well against Majin Kuu.

After the fat Buu expelled evil from himself ... Goten and Trunks (as Gotenks), Gohan and countless others before Goku and Vegeta intervened. However, by removing all these other parties, they ...