Kup is one of the original 13 transformers.
Kup was created by Primus to help the other 12 transformers fight Unicron. He followed Primon's orders well. Then, Primon died, and passed the matrix to Vector Prime. He followed orders well. Then Megatronus Prime betrayed them, and killed Vector Prime. he became The Fallen. Kup followed Prima's command till Unicron and The Fallen were defeated.
He later joined Guardian Prime's Autobots. Later, he retired, and became a secret agent. He later revived Megatron, to try to uncorrupt the Graveyard of the Gods, but he failed. He later joined the High Council. He was on the ship Ark II, when it crashed on Earth.