In this video we use Unreal Engine Skeleton Tools to layout our skeleton as well as skin it to our character. We’re also going to take a look at the unreal Beta tools relative to other programs such as Blender and Maya.
Beta Skeleton Editing Tools
Bone Creation
Bone Editing and orientation
Skin weight painting
https://dev.epicgames.com/community/learning/tutorials/vXkZ/ask-a-dev-pets-skeleton-tools-unreal-engine-tutorial