Yes, there are. The Floating Supervisor is a Supervisor who might or might not have responsibility for a given Category. A Floating Supervisor 'floats' into any category and can work in any area. Other than that, they have the same "tools" in their kit as a regular Category Supervisor and have similar responsibilies.
A Floating Supervisor on WikiAnswers is a Supervisor of the site that does not oversee a particular category, hence the name "floating". For more information, please see the "Related Links" section of this answer.
A floating supervisor is someone who has the ability to merge questions, block vandals and other high level editing ability without the responsibility of overseeing a set area of the site - that is, essentially, floating.
Doditov is a Floating Supervisor on WikiAnswers. To find out what a Floating Supervisor is, see the Related Link.
You must be at least 15 years of age to become either a floating or a category supervisor.
Perhaps Ganderton (Gregg), the guy who made you a Supervisor. And the people who recommended for you to become one.
Well, it is mainly up to you, Don't forget, a Category Supervisor looks after certain categories, whereas a floating Supervisor maintains every category, just 'Floating'. Hence the name. So it depends whether you prefer just one category or not.
Dr.Q is a user on WikiAnswers. He is a Silver Contributor, Floating Supervisor, and Linguist. He was also a runner up in the Answerthon Xtreme.
No, I'm afraid there isn't.
Being a Senior Supervisor, in and of itself, does not give a volunteer supervisor any special capabilities.
Yes, a floating supervisor can be a mentor.
You can e-mail WikiAnswers @ Answers.com (no spaces) asking to be either a category supervisor or floating supervisor. To be a category supervisor you should be knowledgeable about the category. Becoming a floating supervisor is a good way to start off. You can also post a message on Brave3's message board. He can promote you too. For more information, see the Related Link.
At the present time, only category and floating supervisors are able to get a WikiAnswers email address. If you'd like to become a supervisor, check out the requirements at: http://wiki.answers.com/help/become_a_supervisor .
Because, being a Supervisor whether it's floating or a category, or a senior Supervisor, it requires a lot of responsibility.
If a floating supervisor wishes to become a category supervisor, they can apply in the same way that a non-supervisor would, by sending an email to the appropriate email address.