What's has 3 legs?

Question

Heres the trivia. When this creature is born, it uses 4 legs. As it gets older it uses 2 legs. Then once it gets very old it uses 3 legs.

Whats this creature?

Answer 1

Thank you sphinx, but Oedipus has already got this one in the bag.

Answer 2

man

crawls as a baby

walks as an adult

uses a cane when old

Answer 3

Man

Crawls when young,

Walks when older,

Walks with a cane when really old

Answer 4

that`s human !  when we are the babys, we use arms and legs(it looks like 4 legs :D),when we are older,we can walk by the two legs. And when we are old ,we need a cane to keep balance(that is the 3rd leg)

Answer 5

A human! A baby crawls, as it get older they walk. And an old man uses a cane which makes 3.

Answer 6

a human!