Here's a few links for those new to #Mastodon. One thing I see said a lot is upload an avatar and add a bio because many seem to block you if you don't.
https://mstdn.social/@Kaidinn/109363602746420082
And for those who use tools to find their #Twitter followers here, it's best to use the tools every few weeks to find new Mastodon users here you followed on Twitter. You need to add your Mastodon link somewhere on your bio/profile/account.