Rupees are the currency of India. -- Son of Suns

I'm aware of that, but I just thought a reference to other video games would be more appropriate.
Phoenix Rider
I actually think that it's based on "Ruby". Silent but deadly! SuperLuigi821 You lost everything. Way to go genious.
Well, yeah, I guess that too. Never thought of that though. Phoenix Rider
It might be a cross between "ruby" and "Rupee". YELLOWYOSHI398