I love looking online at creature designs on pinterest, some of them are awesome and terrifying.

[hider=Creature Pictures]
[img]http://i.imgur.com/H61QF0Z.jpg[/img]
[img]http://i.imgur.com/o4ogmsn.jpg[/img]
[img]http://i.imgur.com/j5iLurY.jpg[/img]
[img]http://i.imgur.com/d55aYgt.jpg[/img]
[/hider]

Also, I was thinking, how about some sentient creatures that can communicate? Potential allies or quest givers?