The answer is "kiwi" (Kee-Wee).
a glum smile
Bleak peak is a hink-pink or rhyming word pair answer to the riddle "dreary mountaintop."
A rhyming word pair for an unhealthy sea mammal is a pale whale or frail whale
Rory's, stories
I believe that you're asking for the "punch line" of the joke. Therefore it is "They made a perfect pear."
Its called a dragon fruit
Scant plant
cold mold
a glum smile
cool tool
Fraggle Rock - 1983 The Riddle of Rhyming Rock 5-2 is rated/received certificates of: Australia:G
da Gama drama
Bleak peak is a hink-pink or rhyming word pair answer to the riddle "dreary mountaintop."
fool's tools
It is actually a peach
A Pale Male is the hink-pink or rhyming word pair that answers the riddle "colorless male."
A bag of fruit is an Australian rhyming slang term for a suit.