Uṣṭrajihva(Ushtrajihva) was one of the associate-warriors who assisted Skanda-Kārtikeya (Kartikeya) while slaying Tārakāsura(Tarakasura).

Mahābhārata (Kinjawadekar)(9.45.62)
Mahābhārata Vols. 1-43 (Siddhāntabāgīśa)(9.42.52, see footnote , vol.29, p.476)