Bhishma

Means "terrible, dreadful, formidable" in Sanskrit. According to the Mahabharata he was a son of Shantanu and the river goddess Ganga. He was originally named Devavrata. He became an advisor to the kings of Kuru, and was renowned for his wisdom. He reluctantly helped lead the Kauravas in their war with the Pandavas, during which he was killed by the Pandava brother Arjuna.