[fenomas]

Adding my all-time favorite signature - Kurt Vonnegut, who often (not always) built a caricature of himself into his signature. What a flex!

E.g.: https://i0.wp.com/www.themarginalian.org/wp-content/uploads/...

(I think later in life his signatures lost the cigarette)

[jihadjihad]

Vonnegut also managed to design the logo for Claude half a century before it existed [0].

0: https://astrofella.wordpress.com/wp-content/uploads/2019/01/...