Initially I was going to give this jack a plastic egg, but he suggested a conbadge instead.

Used USPCC and Hoyle faces for reference.

Ferret references:
https://en.wikipedia.org/wiki/File:XenoFerret.jpg
http://resources3.news.com.au/images/2012/05/22/1226363/016963-yoshi-the-ferret.jpg
http://resources0.news.com.au/images/2012/05/22/1226363/016624-yoshi-the-ferret.jpg
http://rlv.zcache.co.uk/cartoon_ferret_sable_photo_cut_out-r63a76c2a16dc489b9c5a951fdc011d44_x7sa6_8byvr_512.jpg