It’s the end of an era with the sad news today of the passing of Grumpy Cat, the OG of social media/Internet celebrity superstars, who reportedly raked in untold millions in endorsements and appearance fees (and whose real given pet name was actually “Tardar Sauce”).

Although she always had that notoriously miserable expression pasted on her face, this famously frowning feline spreads tons of good cheer wherever she was seen online — or up close and personal. Thanks for the meme-ries, Grumpy Cat! (SFGate)