2: Grow, taking head of iceberg to show again (5)
3: Everlasting variety for Peter and Paul (9)
4: Sounds like a bright child (3).
5: Genuine assistance for the auditor is passed on (7)
6: Coral Sea, perhaps, without a fish (7)
9: Character from Greece or the borders of Transylvania (5)
11: Clean oneself, but in reverse (3)