I'm totally opposed to changing the names. I don't think they're deragatory. My high school mascot was the Warhawks, and people complained all the time that it was offensive - not so much! I hardly ever saw merchandise with a NA on it except for old stuff passed down from older siblings/parents - everything had a big Arrowhead on it.
The reason I hate changing - my university used to be the Warriors, and there was a huge sense of pride in being a Marquette Warrior. Now we're the "Golden Eagles" which is about the most boring mascot ever. No wonder our main cheer is "WE ARE MARQUETTE" rather than something with the generic one.
I don't think either of my schools intended to offend, and I'm glad my high school hasn't wimped out and changed it over. They'd have to change the school name too, if they want to change the mascot. An Arrowhead is probably offensive too.
And do you guys think I can sue Notre Dame? Because not all Irish are Fightin'.