angry cat eyes by eaglehaast on DeviantArt

This cat's permanent angry face is hilarious

How to Calm an Angry Cat

Feline Aggression, Alison Barulich, DVM

angry cat (profile picture)

Angry Cat GIFs

8 Signs Your Cat Is Secretly Mad At You That Are Super Subtle

Grumpy Cat Died This Year. The Internet Killed Her Long Ago. – Mother Jones

How Grumpy Cat went from feline obscurity to internet sensation

Angry Cat With Blue Background. Framed 16 X 20 Original

Grumpy Cat gives her humans plenty of reasons to smile – Twin Cities