Adjective
The word is derived from zany
Daffy's appearance in The Looney Tunes Show However, more recent merchandise of the duck as well as that featured on the official website have been shown to incorporate elements of the zanier, more light-hearted Daffy of the 1940s. Source: Internet
His mild-mannered nature and shy demeanor made him the perfect straight man for zanier characters such as Daffy. Source: Internet