Ha... I resisted the urge to sketch some PV ponies. Mostly because I found an online pony generator to do it for me:
http://generalzoi.deviantart.com/art/Pony-Creator-Full-Version-254295904
Anyway, here's the (late) Librarian, Yuki, Vizh, Hallie, Epitome and Al B. in pony form:
And if anyone wants to play around with it starting from the designs above, here are the save codes for them:
Al B. Pony:
481B0Q3000664730FFC49D0060000BB96OE1837105000021D1352709B7A5140F107F3FCC004CB2
Epitome Pony:
51001Z3000930000FEFFFF2260000BB96UN183720B000000700B0087FFFFFE1T11000F84FFFFFE
Yuki Pony:
452S0P0000D987FE0000000160100BB96UN183723000000350582F96FF7FFF1Q107F3FCC004CB2
Librarian Pony:
4F1H0L500039427FFFC49D009408C8800UZ1837000000001G1472A16594F2D1T107F3FCC004CB2