Sheppard is a long time member of SDN, having been around for the board's precedessor, alt.startrek.vs.starwars (aka ASVS). He is outspoken on many issues, most notably nuclear warfare, military spending, and nuking the godless commies. His opinions are considered by some to be somewhat over the top.
He is SDN's only Nukesexual.
Drawing of Shep as The Atomic Dolphin, by Gil Hamilton.
The Atomic Dolphin