Shiva Purana
सर्वेषां शिवधर्माणामध्यक्षत्वे ऽभिषेचितः ॥ शिवप्रियश्शिवासक्तश्श्रीमच्छूलवरायुधः ॥ ६० ॥
He was installed as the presiding deity of all the religious duties of Lord Śiva. He was dear to Lord Shiva and attached to Lord Shiva and wielded a beautiful trident and excellent weapon.
english translation
sarveSAM zivadharmANAmadhyakSatve 'bhiSecitaH ॥ zivapriyazzivAsaktazzrImacchUlavarAyudhaH ॥ 60 ॥
hk transliteration by Sanscript