Gajasura

In Hindu epics, Gajasura (गजासुर, lit. 'elephant demon') is a generic name given to an asura (demon), who assumes the form of an elephant. It may refer to demons:
 * the son of Mahishasura--killed by god Shiva: see Gajasurasamhara
 * killed by Shiva and his head attached to his younger son and god of wisdom Ganesha: see Mythological_anecdotes_of_Ganesha
 * Gajamukhasura, defeated, and turned into a rat and made into a vahana (vehicle) by Ganesha
 * killed by Rudras