Clue: He created contraptions to make hot cooked nosh for bird to tuck into (5,8)
Answer: HEATH ROBINSON
Explanation: Definition: He created contraptions
**HEAT** ("to make hot") + ***(nosh)** [anag:*cooked*] with **ROBIN** [*tucked in*] 
*W. Heath Robinson (1972-1944) was a British cartoonist famous for his humorous drawings of overly elaborate machines designed to carry out simple tasks.