Basically do a brainstorm of generic single words that go well with "gaming" and that don't limit you to anything.
Examples (no idea if they are already taken):
Phoenix gaming
Viking gaming
Zeus gaming
Jaguar gaming
There are lots of online tools that can help you. They are mainly used for choosing domain names for websites, but you can use them for YouTube channels also.
Here are some name generators that can help:
Nameboy is the most popular domain name generator. Use our AI-powered domain name generator to find the best business domain name ideas instantly!
www.nameboy.com
Find the right domain name for your website. A simple tool that identifies catchy domains available and gives you the tools to register them on the spot.
domainwheel.com
Instant Domains is the fastest way to find a domain name for your brand. Instantly search for available domains, domain extensions, and domains for sale.
instantdomainsearch.com
I'd also advise you to check if the social media accounts and domain names are also available.
Good luck.
