The name of the most recent supercontinent to have existed is Pangea. The name of the oldest supercontinent that ever existed is Rodinia.
<u>Explanation:</u>
Around a billion years ago on the geological timescale, there existed a supercontinent named Rodinia which is said to be the first supercontinent that ever existed on the planet.
The most recent supercontinent to exist and the one on which the present-day Continental Drift Theory is based on is known as Pangea.
The former existed in the Precambrian Era and the latter existed in the Phanerozoic Era.
