User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-1758220-20130811191811/@comment-3062343-20130812060312

I don't think that there's a strict definition of what makes something a "powerhouse" monster. The only thing I can think of that Garuga, Rajang and Deviljho have in common is that they are relatively late-game and all have a more powerful variation (i.e. the one-eared Garuga, Golden Rajang and Savage Jho). Deviljho is the only one of the three that shows up in every area.