Jasmine is an anthropomorphic pig who lives in Octagon Village. Like his comrades Oolong and Oonaan, Jasmine is named after a type of tea.
Jasmine is seen laying on a table when Goku arrives in Octagon Village, and Goku thinks that he is Oolong. Soon, his comrade Oonaan comes out of a house and tells Goku that neither of him or Jasmine are Oolong.
Goku then goes to search for the Bansho Fan and leaves Fortuneteller Baba and Chi-Chi behind to stay at the Bansho Spa. Jasmine and Oonaan guide them to the spa and hide on the side of the shack, peeking through a hole in the wall waiting for Chi-Chi to strip down and bath. Unfortunately, a crowd of other pigs come as well to watch and end up breaking the shack causing Chi-Chi to stop undressing and panic. Chi-Chi gets mad and hits both of them.
(Source: Dragon Ball Wiki)