Kaj Stenvall was born in 1951.
I think you may be talking about Kaj Stenvall. He's known for drawing pieces with ducks in different settings
Kaj Frederiksen was born in 1916.
Kaj Skagen was born in 1949.
Kaj Björk was born in 1918.
Kaj Birksted was born in 1915.
Kaj Gnudtzmann was born in 1880.
Kaj Hasselriis was born in 1974.
Kaj Franck was born in 1911.
Kaj Schmidt was born in 1926.
Kaj Sylvan was born in 1923.
Kaj Stenberg was born in 1964, in Sweden.
Kaj Czarnecki was born on 1936-09-10.