The red cock given to him by the fire god became his sign. When sitting on the flag-staff of his car it looked like the very image of the all destroying fire.
कुक्कुटश्चाग्निना दत्तस्तस्य केतुरलंकृतः। रथे समुच्छ्रितो भाति कालाग्निरिव लोहितः॥