Chiefs Logo (License)

[Fish]

Originally Posted by BucEyedPea

That may be the criteria they use to crack down on such things, but it is not a legal criteria. Someone can go after a hobbyist or a fan if they wanted to enforce their rights to that degree. Of course, they may not but that's a voluntary choice—not a legal requirement. Same with copyright.

Also, if they do, usually companies have a letter from an attorney asking you cease what you're doing before suing.

No they can't. The only way you would ever run into legal trouble is trying to sell products using their logo/trademark. For that you have to pay a licensing fee.