jesse_williams is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
looks like a bunch of new users are joining? let me recommend a great intro to mastodon, written by @GinnyMcQueen :)
http://www.ginnymcqueen.com/how-to-mastodon/
