They are a Cheetah Hybrid

Winner is neon_nyan_cat1

You can keep or give away uncle Tyler

How they came to be:

The little girl was ran over by a run away car. Probably around the age of 5-10.

She saved two 2-7 year old girl sister from getting hit.

She died in the way to the hospital and was called a hero by the little girl sisters and town through her fast acting.

Based on a true story.