Silly Behavior Font Family was designed by Jeff Levine and published by Jeff Levine. Silly Behavior contains 1 styles and family package options. Silly Behavior JNL is based on a hand lettered alphabet found within the pages of the vintage lettering book “100 Alphabets Publicitaires” (100 Advertising Alphabets). The fun, haphazard arrangement of the letters and numbers convey a casual approach to titling.