>
*Hells Angels
Edit: Downvote all you want. The name of the group is "Hells Angels". They leave the apostrophe out on purpose. You're free to look it up. >

Then how do you spell hells kitchen? >

Hell's Kitchen.
But if Gordon Ramsey decided to ditch the apostrophe, then it would be "Hells Kitchen".
Its like arguing "It's Mortal Combat, not Kombat!"
Kind of silly.