Skandapurana 1.4.28.51

1.4.28.51

dadau maheśaputrāya vāsavaḥ paravīrahā..
tau hi śatrūnmahendrasya jaghnatuḥ samare bahūn.. 30.51 ..

Utkrośa and Pañcaja, both bearing thunderbolts and staffs; / for those two had slain many enemies of the great Indra in battle;