1944
Invisible ink
2015
Zippy, pindemonium
1986
Are we having fun yet?
1985
King pin
1987
From A to Zippy
1991
Pinhead's progress
1989
Zippy stories
1981
The Dingburg diaries
2013
Griffith observatory
1993
Connect the polka dots
2006
"Get me a table without flies, Harry"
1990
Type Z personality
2005
Zippy's house of fun
1995
From here to absurdity
2004
Zippy
1982
