A good self check you can make is going to thebluealliance.com team page, then ctrl+f any name you are considering. If more than one team already uses it, avoid it. Ideally you want to become a well-known team, so have a unique name that people can associate with the quality of your team.
I would make sure you check the blue alliance. I did a quick search on cougar and found 3 cougar robotics, 5 cougarbots, and 19 teams with cougar in their name.
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FRC® Kit of Parts Engineer: 2014-Present
Team 238: 2016-Present
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