From Bulbapedia, the community-driven Pokémon encyclopedia.
This is a list of Trainers that appear in the Single Battle division of the Battle Mode Tower Colosseum in Pokémon Colosseum.
Round 1
Lagron always leads with Jumpluff or Ninetales, sends out Lanturn, Meganium, or Milotic second, and sends out Umbreon last.
Round 2
Kaler always leads with Electrode and sends out Starmie last.
Round 3
Round 4
Porta always leads with Ninjask and sends out Gorebyss last.
Round 5
Lagin always leads with Shedinja or Wobbuffet, sends out Metagross, Salamence, or Suicune second, and sends out Latios last.
Round 6
Garvon always leads with Crobat or Miltank, sends out Raikou, Rayquaza, or Slaking second, and sends out Latias last.
Semifinal
Guyit always leads with Kyogre.
Final
Hufnak always leads with Groudon.