Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
I have a head, tail, but no arms and legs. What am I?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
Tuesday, Sam and Peter went to a restaurant. After eating lunch, they paid the bill. Sam and Peter did not pay. Who did?
I have a gown but I'm not a priest; I have a crown but I'm not a king.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.