1: Drongo lacks even a pet (3)
2: Learn of teacher's initial courage (5)
3: Gloomy semi-dull firmament (5)
4: A representative may be a scamp (3)
5: She's providing us with a minder (9)
6: Upset bee lit out from underground imprisonment (9)
7: Black arts and demons concerned with Homer's issue? (4,7)
9: In a pickle about where one should apply the acne cream (2,3,4)
11: 15-acrosss toilet pot? Rubbish! (5,6)
13: Great conqueror or ragtime bandleader (9)
15: The French spirits lifted by light poet (3,6)
16: Effective arrangement by one decent person (1,4,4)
21: Reliable, timeless jet (5)
22: Big Bird and Ernie auditioning after Sesame Street ends (5)
25: Perform part of play (3)
26: Now Elton heard California's big one (3)