I've been here almost five years and we've never had a rule like that, where New001 had to change their name. I know another clan does, or used to, so maybe you're thinking of them.
New001 does have a reputation for not following rules, whether it be because they're so new to the game they haven't even change the default name yet (and so can't possibly know the rules), or because they're trying to cause trouble anonymously. Sometimes, it's someone who just wants to be anonymous, as in Spart's case. Not all New001s are bad, but they've got a bad reputation.
I wouldn't think any admin here would ask a New001 to change their name, but I'm sure they all have their opinions of New001. Poor New001!
For the second question, I suppose it's allowed to spin once to see what's going on behind you, but if your gunner kills someone while you're doing it, it's going to look a lot like you slowed down so your gunner can get the kill. If you explain why you did it, I imagine you'll still get a request not to do it.
It's one of those things that will always look fishy if someone ends up getting killed, so just be aware of it is all I can tell you.
