because you called The Guy a "Mascot", you don't deserve an answer to this question...
You make a costume and paint your face
Use your imagination.
You don't you buy them
You can make a cheap mascot costume using foam, leaving holes for the eyes, mouth, and nose. You can also make them out of plenty of fabric for a more defined look.
Go to your local costume outfit store. But they are only open around Halloween season. You can order this costume any time of the year on line. Or you can always make your own.
It's simple... ...we kill the Batman.
One can find an executioner costume for Halloween online at websites such as Amazon or eBay. One can also make their own executioner costume by following tutorials online at YouTube.
you go buy a giraffe and then you put the giraffe on a dog and theres your halloween giraffe costume
There are a couple links below that detail how to make a Kevin Jonas costume.
For their first eleven seasons the Suns had no mascot, but after that they tried to make a sunflower their mascot. It did not last long.
You can buy one or rent one from a costume store. If you are feeling really creative, you can make one yourself.
a ghost out of a bed sheet