sūdanaḥ

killer — SB 9.15.31

the killer of the demon Madhu — SB 3.24.6

the killer of the Madhu demon — SB 9.24.60, Ādi 4.116

the Supreme Personality of Godhead, who is known as Madhusūdana, the killer of the demon Madhu — SB 8.12.37