Hershel was the financial genius behind much of the Season 2 characters rise to power. Often bailing out “the boys” became Hershel’s job. Any credits sent his way had a magical way of multiplying to obscene amounts.
In reality, Hershel was Xaja (The Metatron) an Andromedan assigned to watch over the season 2 characters by Xotob which was revealed near the end of season 3. His where abouts are unknown now, but assumed to be where ever Xotob is.