Free images results:
 

Mad pictures, stock photos and images

 
1


 
Frustrated Stock Photography
Author: Yanc
Headache Royalty Free Stock Photos
Author: Ctacik
Dog Royalty Free Stock Images
Dog
Author: Bondarul
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Mad scientist Stock Photo
Author: Mjp
Mad Stock Photo
Mad
Author: Konradbak

Explore more commercial options: More Mad Stock Illustrations & Vectors | More Mad Stock Video Footage