Dana Caldwell is Adam's ex-girlfriend. They broke up after she moved to Seattle and they realised that long-distance wouldn't work.
Series Overview Edit
Dana is a kind girl, however, Beverly does not really like Dana, as she is jealous that Adam spends time with her more than he spends time with Beverly, not because she is unkind. It is also hinted that Dana has mixed feelings towards Beverly. In season 3, when she moves to Seattle, Beverly has a nicer attitude towards her as she can not see Adam all the time.
In "Goldbergs Feel Hard", it is revealed that Dana has a father. In "Who Are You Going to Telephone?" it is revealed that she also has a brother. It has also been mentioned many times that Dana and Adam are boyfriend and girlfriend.