Characters from the Simpsons.

Across clues are one-word associations (not true clues).

Across:
7. County (4)
8. Nixon (8)
9. Marilyn (6)
10. Downloaded (6)
11. Reverend (7)
12. Oddysey (5)
15. Sculptress (5)
17. Doctor (7)
20. Pacemaker (6)
22. Divorcee (6)
23. Bob (8)
24. Sagan (4)

Down:
1. Repaint about our following pass (8)
2. Averts odd lack of food (6)
3. Eastern member shows hesitation or penguin (7)
4. Wonderland resident in charge, but in drink (5)
5. Extinct bird with company after nothing late baroque (6)
6. Wine skins as Jersey, etc. (4)
13. Wandering, make mistake with an attempt (8)
14. Wavy William with showy nosh (7)
16. On return she had snacked (6)
18. Pale French white heroin (6)
19. Fungal thread in blotchy phagocyte (5)
21. Ancient city back in collapse (4)