Surname of Zach From Goosebumps
Puzzle 12 of Countdown to 2020 Piece of Cake Pack
Question is: Surname of Zach From Goosebumps
and the answer is: COOPER
Word Meaning:
COOPER — A craftsman who makes and repairs barrels and similar wooden vessels such as casks, buckets and tubs.
Definitions from Wiktionary.