Not the MkV- the skeletonized and short grip are points against it. Of course, their hands are small and everything is going to be oversized to them.
There are points for and against folders, most having to do with opening a folder. I might almost suggest one of the smaller Opinels, just because you'd really have to be sleepy to have it close on your fingers.
For a fixed, I'd say check out some of the smaller Moras, or a decent kitchen knife. Every so often I see paring knives w/ decently thick blades that have little snap on sheaths for something like 5, 10 bucks.
edit: those paring knives look like this:
http://www.centralchef.com/storefrontpro...amp;i=244078609I'd buy a couple, but I've already got knives, knives and more knives. :P