He's still mad about 'Firefly' getting canceled. This year marks the 50th birthday of Hello Kitty, but the character has become so ubiquitous over the years that it's easy to lose track of her ...

Hello Kitty is, brace yourselves ... One even compared it to 'when the creator of the GIF said it’s pronounced JIFF.' The cat-shaped character was created in 1974 and made her first appearance ...