Career
Plijnaar started his career working for Donald Duck in 1972. In the mid 1970s he moved to the magazine Eppo, where he and January van Die started writing scripts for Sjors en Sjimmie and modernized the strip. The other comic he is known for is Claire, published exclusively in the women"s magazine Flair.
In 1995 he moved to Hollywood to work as an animator.
He has contributed to animated features such as Quest for Camelot, Osmosis Jones, Ice Age, Jimmy Neutron Boy Genius, Shrek 2 and Over the Hedge. He is the nephew of jazz singer Rita Reys.
A portrait of her by his design will be placed in the Oude Binnenweg of Rotterdam.