Answer:
What has a foot but no leg?
What is in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
This is the drinkable phase of matter
It has the biggest wall and is also used when drinking tea.
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse