Toph.
No, only the avatar can bend all four elements, that is what makes him "The Avatar".
it is pronounced toph and yes because mud is part of earth.
go to 4nation-elements.webs.com to learn to bend even blood bending!!!!!!!! no, but he can soul bend
Yes
when you katara is down ad aang is up there is a place that katara cant go on it it is an earth bending place click on it with aang and earth bend
i am sorry but it is not real it is a show
Yes, they did use special effects.
You can't transform into the Avatar state in The Burning Earth.
First, put the earth pot on the weight, then get on it. it will open the crate. then earth bend the pot on to the platform? Put both of them on. The a net will come down and the dubri will stop. Go back to where you started and water bend a ice berg and jump across into the cave. Then your on your own sucker.
Very strong... Especally in the avatr state he can bend all elements but is very very very vonerable in the avatar state...
there is. avatar the burning earth.
400km