What is the significance of Crane-man's name?

Crane-man was born with a deformity that left him with only one good leg. His other leg was shriveled. Hence, he walked on one leg and was given the name Crane-man because he stood and walked like the bird. This name is significant because the doctors agreed he wouldn't live very long and a crane symbolizes long life. It's a distinct contrast.

crane man was born with a deformity and left him walking on one leg for the rest of his life. peoplesaid his leg looked like a crain so they called him crane man