You have to see your hosting reselling as a business, if you wish to succeed in the long run. And one of the first things a business needs is a name for the business. Don’t rush this decision, your name is going to be with you for as long as your business goes on, and it determines, to some extent, how your clients view your business. Calling your business “Mike’s Hosting” won’t sound very professional (though if your hi school mates are your target audience, this may actually work 
).
We found a nice article for you about how to choose a name for your webhosting reseller company -
Choosing a Name for Your Business
Follow the advice given there! you won’t regret it!