Incidental characters, and combat rosters from the Dragon Ball manga,
starting with volume 36.

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25th Budokai (children's division, age is in parenthesis):

    1st round, Bart-kun (12) vs Pepperoni-kun (14)
    nth round, ???           vs Karashini-kun      : Karashini wins
    9th round, Trunks   (8)  vs Idarsa        (15) : Trunks wins
   11th round, Goten         vs ???
   Final,      Goten         vs Trunks             : Trunks wins
               -----------------------               Gohan gets 2nd place

             (Adult's division):
   This year, a punching machine is used to determine who gets into the
final rounds.  The pairing up is:
   Kuririn    vs Punter                           : Kuririn wins
   Ma Junior  vs Kaiou-shin                       : Piccolo surrenders
   Beederu    vs Supopo-bitchi                    : Beederu beaten to pulp
   Kibit      vs Great Saiya-man                  : Match abandoned
   Gokuu      vs Vejiita
   #18        vs Mr. Satan


   Supopo-bitchi and Yamuu steal Gohan's energy and run off.  The Z
Fighters give chase, and are disqualified after being away from the ring
for 1 hour.  Mr. Satan announces a Battle Royale between himself,
Killer, Jewel, Mighty Mask, and #18.  In the first second,
   #18 defeats Jewel
   Mighty Mask defeats Killer
   #18 fights Mighty Mask, and Goten and Trunks are shown to be kids,
                           and are disqualified
   Mr. Satan defeats #18
   ---------------------            (#18 extorts a huge amount of money
                                     out of Mr. Satan, first)


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   The battle inside Buu's rocket.

   First stage:  Puipui  vs Vejiita              : Vejiita wins
   Second stage: Yakon   vs Gokuu                : Gokuu wins
   Third stage:  Darbura vs Gohan                : Discontinued
                 Vejiita vs Gokuu

   Vejiita and Gokuu fight it out, outside of the Budoukai.  No decision.


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28th Budokai:

   Pan             vs Mou Kekko                  : Pan wins
   Gokuu           vs Ubuu                       : Both sides DQ'd
   Captain Chicken vs Kiraano                    : ???
   Mister Buu      vs Goten                      : ???
   Trunks          vs Otoko Suki                 : ???
   Nok             vs Vejiita                    : ???

   The manga when Gokuu and Uubu fly out of the ring.  The final winner of
the above matches was to face off against Mr. Satan, and the heroes had
already agreed to let Satan keep his Budoukai Championship title.

                                             -- Curtis Hoffmann