Mega Entei:
Type: Fire/Ground
Ability: Flash Fire
Stats:
HP: 115 (+0)
Attack: 145 (+30)
Defence: 105 (+20)
Sp Attack: 100 (+10)
Sp Defence: 95 (+20)
Speed: 120 (+20)

Mega Raikou
Type: Electric
Ability: Volt Absorb
Stats:
HP: 90 (+0)
Attack: 95 (+10)
Defence: 85 (+10)
Sp Attack: 145 (+30)
Sp Defence: 130 (+30)
Speed: 135 (+20)

Mega Siucune
Type: Water
Ability: Water Absorb
Stats:
HP: 100 (+0)
Attack: 85 (+10)
Defence: 145 (+30
Sp Attack: 110 (+20)
Sp Defence: 145 (+30)
Speed: 95 (+10)