H.M.Gimlord
Explorer
Personally, I don't think they're a good idea outside of a contained adventure, because I don't think we should saddle other DM's with having to control a constant NPC.
Yeah. This is what led to the LFR ruling.
In Weldon's case, however, the only stumbling point is mechanics, as always: Fluff can't interfere with mechanics. It'd be interesting to see where this goes in a test case though.