Meaning of name Dagwood

The names of some famous persons by the name Dagwood (or its variants) are:

Dagwood Bumstead , born on 17 February, a famous famous character. Dagwood Bumstead 's background: A main character in the long-running comic strip Blondie, he first appeared sometime before February 17, 1933. He is famous for his creation, the 'Dagwood sandwich', which is a tall multi-layered sandwich filled with a variety of meats , cheeses and vegetables and topped with his signature olive on a toothpick.