Where would you want to be positioned,
and what would you want him / it / her to do? ( optional ).
I’d have me “Twiluna” positioned at the hunters class order hall 
,
maybe giving out a quest where i’d have a player go and do a /silly at other sad NPC’s to cheer them up.
Indeed mighty, but also at the same time puny, elf! There may have been threads like this before, but it was long ago enough that it’s entirely okay to make a new one. Let the fun commence!
Judging by the swoon factor he evokes in some Blizzard staff, I fear your NPC’d risk being written into an early grave 
That kind of Paladin would result in a very different scene in Wrath of the Lich King.
“Arthas! The blood of your father, of your people, demands Justice! Come forth, coward, and answer for your crimes!”
**Opens Briefcase **
“Be served, fiend!”
Thank you for the links Souldefiler! This’ll give me something bitesized to read during lunch! 
