Only VIP members (50 btc), Donators (10 btc), Global moderators, and admins can display custom titles.
50 btc donations? are you kidding me. Then hilariousandco is a damn billionaire or the 50 btc was when bitcoin was trading at 100 USD some years back?
That was introduced in August 2011, when bitcoin was not soaring so high. You can read the original post here.
If you donate 10 BTC (which pays for about a month of hosting), you get donator status: