Lasse O'MÄnsson, born Lars Olof MÄnsson, used Daddy Oas pen-name, was a Swedish writer, editor and comedian. He was the first editor for the Swedish version of the comic magazine "Mad". He introduced sjuk humor, published "HjÀlp", produced the legendary radio show "BlÄ Tummen" and was a member of the TV-ensemble "SkÀggen".
