Not only has the actor played a stoner on the big screen, but he's also besties with Seth Rogen IRL — so it's no surprise he finds marijuana to be another source of artistic inspiration.
While his eccentric artwork made for the perfect set design for the upcoming comedy Why Him? — in which the 38-year-old plays an eccentric tech billionaire — it also made for a fantastically awkward present to costar Bryan Cranston.
The gift in question came up when the duo appeared on Wednesday's Conan after the host asked Franco about the art he created for the new film.
Never one to shoot down an opportunity to create some weird sh*t, Franco explained:
"There was supposed to be a lot of art in the house, and they consulted me: 'What kind of art do you think you would have?' They showed me kind of very generic paintings, so I thought, 'Well, I have some paintings that may be funnier and may be more in line with the character.'"
Those paintings included one of a fat squirrel and another of two humping capybaras — which was aptly titled "Humping Capybaras."