This is a list of Trainers that appear in the Single Battle division of Battle Mode Phenac Stadium in Pokémon Colosseum.
Round 1
Garlow always leads with Lotad or Shroomish, sends out Nincada or Surskit second, and sends out Ledyba or Spinarak last.
Round 2
Gucio always sends out Horsea or Wailmer last.
Round 3
Hasmen always sends Larvitar or Numel last.
Round 4
Stouner always leads with Sunkern or Seedot.
Round 5
Oatley always sends out Jigglypuff last.
Round 6
Semifinal
Gularte always leads with Meditite or Wynaut.
Final
Kauson always leads with Abra or Ralts, sends out Makuhita or Machop second, and sends out Houndour or Poochyena last.