Kocengannan

Kochchenganan (Kōccengaṇān) Kochengat Cholan or Śengaṇān (also spelt Senganan) was one of the Tamil kings of the Early Cholas mentioned in Sangam literature. The only surviving details about his reign come from the fragmentary poems of Sangam in the Purananuru poems. Today historical accounts of the life of Kochchenganan are often confused with more contemporary accounts. It is believed that present-day places Chengannur, meaning Senganan's Town, and Changanassery, meaning Senganan's Road are named after him.

He is known for building the Jambukeshwarar Temple in present-day Trichy.