Cartoonists from all over the world mourn in the wake of a Paris shooting that killed as many as 12 people, many of whom are members of Charlie Hebdo .

"I am Charlie."

"Ducks will always fly higher than guns." (Ducks in French is also a slang term for newspaper.)

"Unstoppable Charlie Hebdo."

"My heart is with Charlie Hebdo."

"Oh no... not them..."

"Cabu, Wolinski, Tignous, Charb A death stupid and mean... God: Cabu? For once, you're early."

"The world has become so serious that humor is a risky profession."

"Murderous attack at the headquarters of Charlie Hebdo."

"Today, I am a press cartoonist. Today, I am a journalist. Today, I draw for Charlie Hebdo."

"Grab your weapons mates."

"No Freedom without freedom of press."