for i in range(myscene.GetCharacterCount()):
    character = myscene.GetCharacter(i)
node = character.eHips
link = FbxCharacterLink()
while character.GetCharacterLink(node, link):
    print(node, link.mNode.GetName())
node = character.ENodeId(int(node + 1))
FBX SDK — получение FbxNode из ENodeId персонажа