Theoretically, using Vincent Cloutier (npub1t9z…q39v) 's bird.makeup (bridges Twitter accounts over to Fediverse) and Ryan Barrett (npub1ytx…28uf) 's Bridgy Fed for Bluesky (npub1pqr…2sck) , you could follow Twitter accounts on Bluesky, which is hilarious.
The only thing preventing it is that Twitter accounts have no way to use the opt in system of following BridgyFed