So, by very precise and mathematical formulae, I have looked at the people I've faved most, and compared them against their total views and total favorites, in order to present a list of the 12 artists on FA I know of, who are underexposed and/or underappreciated (respectively):

1.  Kwan -- both
Irrepressible joie de vivre.
http://www.furaffinity.net/view/1683206/
http://www.furaffinity.net/view/1700323/
http://www.furaffinity.net/view/1684548/

2.  D-Tail -- both
A real sense of prosody and description.
http://www.furaffinity.net/view/2593692/
http://www.furaffinity.net/view/1961479/

3.  Paso -- both
Nuance and imagination galore.
http://www.furaffinity.net/view/2564293/
http://www.furaffinity.net/view/2747167/
http://www.furaffinity.net/view/1310831/

4.  Mizziness -- both
Classy naughtiness.
http://www.furaffinity.net/view/1331973/
http://www.furaffinity.net/view/1041714/
http://www.furaffinity.net/view/703976/

5.  Goldenfox -- particularly underappreciated
OMG. Everything. If I have a crush on a gallery, it's Goldenfox's.
http://www.furaffinity.net/view/1645914/
http://www.furaffinity.net/view/1530795/
http://www.furaffinity.net/view/1481854/
http://www.furaffinity.net/view/1332274/
http://www.furaffinity.net/view/932976/

6.  WhiteFenrril -- particularly underexposed
Numerous sexy fur ladies.
http://www.furaffinity.net/view/1607944/
http://www.furaffinity.net/view/1397310/
http://www.furaffinity.net/view/1571049/

7.  SilentRavyn -- both
Among the best of adoreable x hot on FA. Another major gallery crush.
http://www.furaffinity.net/view/1724384/
http://www.furaffinity.net/view/1514690/
http://www.furaffinity.net/view/1399110/
http://www.furaffinity.net/view/1351842/
http://www.furaffinity.net/view/962125/

8.  Kaiven -- particularly underappreciated
Fascinating character work, strong women. Yay! Another huge crush on this gallery.
http://www.furaffinity.net/view/1903244/
http://www.furaffinity.net/view/1265648/
http://www.furaffinity.net/view/1692235/
http://www.furaffinity.net/view/596194/

9.  FrogsBreath -- both
Brilliant, original, funny-- and talented.
http://www.furaffinity.net/view/1418073/
http://www.furaffinity.net/view/1969164/
http://www.furaffinity.net/view/1921694/
http://www.furaffinity.net/view/1817971/

10.  ChrisGoodwin -- both
One of my absolute all time favorites. My other, other abject gallery crush. Yes, I'm a gallery whore. Also the first artist working in the fandom I looked at, and probably among the very best. Comparatively underexposed. Can't figure it out.
http://www.furaffinity.net/view/2546574/
http://www.furaffinity.net/view/2359032/
http://www.furaffinity.net/view/2041551/
http://www.furaffinity.net/view/2021768/

11.  SushiCougar -- both
Adoreableness galore.
http://www.furaffinity.net/view/1940965/
http://www.furaffinity.net/view/1077104/


12.  Kenket -- both
Stunningly awesome stuff, with comparatively little recognition. Can't figure this one out either.
http://www.furaffinity.net/view/1155849/
http://www.furaffinity.net/view/852755/
http://www.furaffinity.net/view/212976/
http://www.furaffinity.net/view/1456734/