Our jaws dropped when we saw this picture of Francisco Domingo Joaquim, who holds the Guinness World Record for the world's widest mouth!
He can stretch his mouth so wide he can fit a fizzy drink can inside it - SIDEWAYS! That's pretty impressive, but definitely NOT something to try at home!
Francisco, who's also known by the nickname Chiquinho, is from the African country of Angola.
He can stretch his mouth so wide because he's got a medical condition that affects the cells that connect different parts of his mouth.
Francisco was discovered by researchers who saw videos of his huge mouth on the web. They spent two years tracking him down so they could measure him.
The 20-year-old said that it's a "dream come true" to be a world record holder.