According to the Chera poets, Senguttuvan was their greatest king. He is also known as the Red or Good Chera. He led many successful military expeditions. He has also been mentioned in the post-Sangam text, Silappadikaram.
Kanishka was the third ruler of the Kushana empire. He was the grandson of Kadphises I, the founder of the Kushana empire. The famous Rabatak Inscription written on a rock in the Bactrian language and the Greek script presents valuable information on Kanishka.