My Brother Rex / You Little Monkey!


While on holiday Jenny Harris  and her brother Rex enter a mysterious cave, when Jenny speaks out of turn, Rex turns into a dog! He continues to turning from boy to dog while they try to figure out how to cure him.

While Rex solves his dog problem in a sequel  You Little Monkey! , Rex tries on a circus witch-doctor’s monkey mask. From then on he keeps turning into a chimp – usually at the worst possible times!




  • My Brother Rex – Mandy :#506 (25 September 1976) – #517 (11 December 1976)
  • You Little Monkey! – Mandy:  #612 (07 October 1978) – #623 (23 December 1978)

Other Appearances:

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