What does Hassan mean?
From Arabic حسن (ḥasan) 'handsome, beautiful, good', from the root ḥ-s-n which also gives husn ('beauty'). The sense spans moral goodness and physical beauty.
What does Tariq mean?
From the root t-r-q (ط-ر-ق, 'to knock, to come by night'), meaning 'one who knocks or arrives at night, night-visitor'. By extension it denotes the bright night/morning star; Surah at-Tariq is named for it. Borne by the commander Tariq ibn Ziyad (Gibraltar = Jabal Tariq).