OK, you'll seriously need to reconsider rebranding name for something more serious, not an animal, this is going to be big !
Please do some research on why a company should consider rebranding.
For example here you can see the top 10 reasons :
http://www.vim-group.com/231-the-top-ten-reasons-for-rebrandingSo, there is absolutely no reason to rebrand MAST.
Animal coin have a bad réputation and out date image,something non-serious for a serious project.
Many people thing mast was junk only because name...
rebranding because bad réputation/ outdate image is a good thing, look cloak, pretty samething like mast with better name, work better...
People agains thats should really reconsider this ideas