april fools & easter bunnies

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Across
  1. 3. Batman's adversary
  2. 6. Easter celebrates the death and return of?
  3. 7. Clown from Stephen King's 'IT'
  4. 8. Battery company featuring adverts of a drumming bunny
  5. 9. [blank] relief, British charity also known as Red Nose Day
Down
  1. 1. 'April showers bring May [Blank]
  2. 2. Bart Simpson's hero
  3. 4. Chocolate, eaten around Easter
  4. 5. Jester in 'The Tempest', and moon of Uranus