
1) Balmy 2) Bats 3) Batty 4) Bonkers 5) Buggy 6) Cockamamie 7) Cockamamy 8) Crackers 9) Daft 10) Dotty 11) Foolish 12) Goofy 13) Haywire 14) Insane 15) Kookie 16) Kooky 17) Loco 18) Loony 19) Loopy 20) Nuts 21) Sappy 22) Silly 23) Wacky 24) Zany
Found on
https://www.crosswordclues.com/clue/whacky

1) British comic strip 2) Child character in comic 3) Cockamamie 4) Cockamamy 5) Foolish 6) Goofy 7) Ludicrous, foolish 8) Sappy 9) Silly 10) Unreasonable 11) Wacky 12) Zany
Found on
https://www.crosswordclues.com/clue/whacky

Whacky was a strip in the British comic Cor!! and ran in the comic from its first issue on 6 June 1970 until 29 September 1973 - some 9 months before it was merged with Buster. It started as a half page strip but proved popular and was given a full page several weeks later. The strip is about a fictional schoolboy called Whacky who is regularly be...
Found on
http://en.wikipedia.org/wiki/Whacky

Whacky is slang for crazed, insane, eccentric.
Found on
http://www.probertencyclopaedia.com/browse/ZW.HTM
No exact match found.