There are several possible ways to interpret this question.
Mascot design may be protected by copyright law, trademark law (as they are marks used in commerce), or both. Baltimore Orioles, LP has registered "Orioles Baltimore" and "Baltimore Orioles," with images, for a vast number of goods and services.
Images of the mascot would be protected by copyright, with rights assigned to the creators unless other arrangements were made. For example, if the Baltimore Orioles hire a photographer to take pictures of the Oriole, it may be a work-made-for-hire, in which case the Orioles would control copyright of the pictures.
Yeah, some mascot costumes are copyrighted, like the mickey mouse
Mascots are more likely to be protected as trademarks.
Public domain images have no copyright restrictions.Creative Commons images are protected by copyright, but have extremely broad licenses.
Copyright protects texts, images, and the website itself.
No, the images were collected from the internet and some have copyright laws on them.
No. In fact, the opposite is true. Most of the images you will find on Google® ARE protected by copyright which belongs to their respective owners.
Generally mascots and other logos are protected by trademark rather than copyright.
There are dozens of websites that offer thousands of copyright free images that you can take. Some of these websites are, SXC, MorgueFile, FirstGov, StolkVault, and PicDrome.
You have to have something to sell at the souvenir shops; images of the mascot brand the particular games in question.
No, the images and text are in the public domain.
The copyright law of the country in which it was created would apply.
Any designs or images you paint must be your own original work, based on public domain images, or properly licensed. But the original images you paint are automatically protected by copyright for the rest of your life and then some.
Materials are not required to have a notification on them in order to be protected.