Top 100 best nicknames
https://nicknames.top/en/top100This page contains the 100 best nicknames from the site for games and social networks. Most likely, most nicknames from this rating are already used in some services, look at them as an example, change a little or use a generator
Nickfinder.com - Nicknames and Names
nickfinder.comNicknames and Names. More than 10 000 000 nicknames. Random nickname and username generator with optional fancy symbols. Reputation and "I Am", "I know" counters. Check the uniqueness of your nickname. Good nickname variants for names, games, brands, company name, business name, domain name etc. Modern fancy text editor, couple name generator ...