Senguttuvan is the name of

Senguttuvan, also known as Cheran Senguttuvan or Chenkuttuvan, was the most prominent and popular ruler of the Sangam-era Chera dynasty. He was the son of Nedum Cheralathan and succeeded him as the third major ruler of the dynasty. Senguttuvan is celebrated in the Tamil epic Silappathigaram, written by his brother Ilango Adigal, for his military prowess and his expedition to the Himalayas to bring a stone for the statue of Kannagi. He is credited with establishing the 'Pattini cult' or the worship of Kannagi as the ideal wife. His contemporary was King Gajabahu II of Sri Lanka, which serves as a chronological anchor for the Sangam period. While the options provided in the question contain a technical error (listing him as a Chola king in option 2 while he was a Chera), he is universally identified as a Chera monarch in historical texts.