Elite 4 and Champion in Pokémon Gold, Silver & Crystal

Elite Four

Will

First E4 member in the Indigo Plateau. His specialty is in psychic-type Pokémon. His team includes:

2 Xatu (Level 40 and 42)
Exeggutor (Level 41)
Slowbro (Level 41)
Jynx (Level 41)

Koga

Second E4 member. His specialty is in poison-type Pokémon. His team includes:

Ariados (Level 40)
Venomoth (Level 41)
Forretress (Level 43)
Muk (Level 42)
Crobat (level 44)

Bruno

Third E4 member. His specialty is in fighting-type Pokémon. His team includes:

Hitmontop (Level 42)
Hitmonlee (Level 42)
Hitmonchan (Level 42)
Onix (Level 43)
Machamp (Level 46)

Karen

Fourth E4 member. Her specialty is in dark-type Pokémon. Her team includes:

Umbreon (Level 42)
Vileplume (Level 42)
Murkrow (Level 44)
Gengar (Level 45)
Houndoom (Level 47)

Champion

Lance

Champion of Johto who was once part of the E4 in R.B.Y.G. His specialty is in dragon-type Pokémon. His team includes:

Gyarados (Level 44)
3 Dragonite (Level 47 & 50)
Charizard (Level 46)
Aerodactyl (Level 46)