After seeing this: http://fc05.deviantart.net/fs70/f/2011/027/5/5/skyrim__s_argonian_drawing_by_xxxbanditxxx-d383uyh.png ... it kind of reminded me of a Bearded Dragon lizard: http://www.google.com/imgres?imgurl=http://static.freewebphoto.com/wild-animals/free-photo/AAAAAA-ADFMA3-QLGCH8-AFNLC6-EQ9JAD-N8QD27-44H2MA/bearded-dragon.jpg&imgrefurl=http://www.freewebphoto.com/photos/1007/25/bearded-dragon.html&usg=__TDAPzpRSsYjlRJ2__Og_NiPYczc=&h=317&w=468&sz=52&hl=en&start=20&sig2=N7fuWpHY_Mamu7YexdZbkA&zoom=1&tbnid=jyvVn7h5L93MEM:&tbnh=165&tbnw=228&ei=RHnUTeD2IY3ysgaO2_3lAg&prev=/search%3Fq%3Dbearded%2Bdragon%2Blizard%26um%3D1%26hl%3Den%26rlz%3D1G1GGLQ_ENUS333%26biw%3D1280%26bih%3D857%26tbm%3Disch0%2C798&um=1&itbs=1&iact=rc&dur=381&sqi=2&page=2&ndsp=20&ved=1t:429,r:15,s:20&tx=109&ty=69&biw=1280&bih=857
Just, you know, longer/less spikes and more of a lower jaw.
I think that would be quite awesome.