If you're new to bsky please use this. If you go to your following tab on twitter, it'll show you who has a bsky (or at least try to) and give you the option to follow there, it's still manual but it's much easier chromewebstore.google.com/detail/sky-f...addons.mozilla.org/en-US/firefo...

Sky Follower Bridge - Chrome Web Store

Instantly find and follow the same users from your Twitter follows on Bluesky.