Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
What starts with an 'e' and ends with an 'e' but only has one letter?
When set loose I fly away. Never so cursed as when I go astray.
I am the place to turn when nature calls.
I have fangs and enjoy piecing holes with a single bite.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?