After looking around at Warcraft video sites I couldn't find a solo of Hungerfen from Underbog, so thought for fun I would do one. This was completed when I was lvl69, on Frostmourne server. All trash was cleared solo. The kill is not that exciting, but it's hard to make solo boss fights really exciting. The two bog lords before the boss were probably harder then Hungerfen himself. They were killed a similar way though, as were the other packs around that area, with slight modifications.
Kudos to Dysphoria for showing us how to do these kind of pulls..