Relationship: ex-boyfriend, father of Steph's baby.
Dean is an extremely stereotypical loser boyfriend. Somehow, he managed to reproduce. With Steph. God hopes the baby gets mostly Steph's genes. He appeared briefly in 'Batman: Huntress/Spoiler: Blunt Trauma, then in Robin #80. The encounter...well...behold these two pages...
http://img48.imageshack.us/img48/2190/steph10001cd0.jpg
http://img48.imageshack.us/img48/5324/steph20001ke1.jpg
...Not pleasant