There is a connection between @adm and the other usernames (@themarkymark, @buildawhale, @tillmea). @adm is often mentioned alongside these usernames in the context of HiveWatchers, a community or project on the Hive blockchain.

It appears that @adm is a key figure or administrator of HiveWatchers, and @themarkymark, @buildawhale, and @tillmea are associated with this community or project. Some search results suggest that they may be working together or collaborating on initiatives related to HiveWatchers.

The exact nature of their relationship is not explicitly stated, but it seems that @adm has a leadership or administrative role, while the other usernames are involved in some capacity with HiveWatchers.