I hate drawing bunny ears so I made a simple 3D model that can be posed.
1. Drag into your scene
2. In Object List, make it a child of your character
2. In Object List, make it a child of your character
3. Set the origin point to the character's head
4. Scale according to character
5. Drag the parts of the ears to pose them


Material
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Default material
Allocate
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Default layout