Answer:
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I come off of a beautiful creature which soars in the sky. I come off of a peckish creature which has a tail as mighty as the sun! I am sometimes dirty and parents beg you not to pick me up.
What's 3/7 chicken, 2/3 cat, and 2/4 goat?
I row quickly with four oars but never comes out from under my own roof.
Soft hairy from door to door. I am the pet that always stays on the floor.
A little house full of meat, no door to go in and eat.