Snakes epitomize line as a design element: here’s a collection of snakes in art including photos, engravings and tattoos.
Have you heard of the blue coral snake? Its venom, among the most vicious even for the snake world, causes spastic paralysis, sure to make the last moments of its victim truly miserable. On the plus side, this beautiful reptile primarily eats other poisonous snakes: my hero!
(One ring-necked snake snuck in, only because its colors are fascinating.)