There is a POSSIBLE set for Entei, but I think he can be easilly outpassed by almost every Fire Pokemon...
Phisical Orber
Entei@Lige Orb
Pressure(Kinda useless, but let's go!)
Naive or Adamant Nature
EV:252 SPD, 252 ATK,4 HP
Moves:
Nitro Charge
Stone Edge
Iron Head/Smooth Over
Troll/Protect...