Why is that?
He get's 1/4 of their full power because of the negation/suppression effect, and gets a little Buu Power because he's still a Buu and still has Buu-ness in to him.
Evil Buu is 2/3 (the 1/3 in the quote was a typo >>) because he clearly can't have all of Fat Buu's power. I picked a mostly arbitrary level for him. Less than Fat Buu, more than Mr. Buu. Plus, Mr. Buu has close to 1/3 of Fat Buu's level so it seems logical that Evil Buu would have the rest. Fat Buu's only over the 1/3 mark because of the interplay between him and the Kais.
Hmmm, Dabura's comment about Kaioshin power in general seems to point at a different view, but ok.
Not really. It's only said that they can't use Kaioshin's power to restore Buu. We know that South Kaioshin made Kid Buu stronger and Dai Kaioshin made him weaker. I just look at it as not only is the Dai Kaioshin suppressing Buu's power by an equal amount to his own power but is also negating the South Kaioshin's power entirely.
What makes you think Fat Boo is weakerer than Kid?
1) Fat Buu's power is being suppressed by the Dai Kaioshin. He can't access all of his power because of that.
2) Goku was sure he could take Fat Buu at SSJ3 but couldn't do much of anything against Kid Buu.
Also, Super Boo with Gohan doesnèt have SSJ Trunks and SSJ Goten; they're exhausted base and in base form once the fusion runs out.
IMO Super Buu can draw out the full power of a person, period. Thus he gets the SSJ level of power from Goten and Trunks. Otherwise he'd not have managed to get SSJ3 Gotenks's power for the full 30 minutes. SSJ3 Gotenks doesn't last that long. Besides, Gotenks would have been just as unconcious as the others, and thus he'd have dropped back down to base anyway.
Fat Buu was just playing with Goku, plus Goku was dead. When he fought Kid Buu he was alive...so he got tired...he wasn't weaker than Kid Buu.
He was considerably weaker than Kid Buu. And while Fat Buu was playing around, so was Goku. And Fat Buu was at full power but Goku wasn't. Goku is clearly stronger than Fat Buu. Meanwhile Kid Buu was giving better than he got. Yes, Goku was a live and not able to use his full power in SSJ3, but he's at least using the same level he used against Fat Buu and doing far far worse.
That dude implied to be weaker than SSj Gohan
No such implication was made. The only thing that comes close is Gohan pulling out the Z Sword in SSJ when no Kaioshin had done so. But... we also don't know if South Kaioshin ever bothered to try to do so anytime recently. So even if he did it's 100% possible that it was so long ago that his power was under Gohan's at the time, but well over it by the time Buu absorbed him.
The fact that we have Mr. Buu(who is somehow comprised of two Kaioshins, but is high SSj 2-tier, looks like Buu, sounds like Buu, has Buu's powers) existing alongside Kid Buu, who is supposed to have 100% of Buu's original essence is a blatant plothole. But if we're talking Super Buu absorbing people - sure, that works like regular addition.
It's not a plot hole, actually. Buu is a being composed of magic. There are countless possibilities to explain Fat Buu and Kid Buu co-existing and Kid Buu still having all of his normal power.
None Kaioshin can boost Majin Buu power - that is the all reason Babidi didn't used Kaioshin and Kibito powers to resurrected Majin Buu.
South kaioshin is
shown to boost his power. The reason Babbidi didn't use East Kaioshin or Kibito's powers to revive Buu is because their energy doesn't work for reviving him. Not that it doesn't work for making him stronger.
