One NPC is adverse to water

[TheMastersSon]

Anyone know if Oblivion has any variables that determine water aversion or attraction for NPCs? My usual entourage consists of one hijacked vanilla character (Viranus Donton) and two self-made NPCs. Without exception, my two NPCs don't hesitate to follow me into water, but Donton does almost anything to avoid it. He can be coaxed into it if it's done slowly, but otherwise he simply takes off to find the nearest land route to the other side of whatever body of water we've entered.

 

It's more curiosity than complaint, in fact imo these kinds of random and unexplainable character traits are what raise good games to great ones.