Yoricks Skull
A bull skull with feathers around it may mean a number of things. In most cases, this is used as a symbol of bravery for the warriors.
You would most likely find a symbol indicating that the substance is corrosive, such as the corrosive symbol (skull and crossbones). It is important to handle concentrated acids with caution due to their corrosive nature.
Pirates are most famously associated with the skull and crossbones flag, also known as the Jolly Roger. This flag would often be hoisted to strike fear into their victims as they approached.
The skull and crossbones means death and most individuals know it and are warned so there is no need to 'fix something that doesn't need fixing.'
most of the time they were hanged or scarred with a burning "P" symbol that would inform the navy that the man was a pirate.
The Jolly Rogers is the flag flown by most pirates. Is is black with a white skull and cross bones in the centre. See related link for a picture.
Emmanuel Wynne..................The Jolly Roger is the name now given to any of various flags flown to identify the user as a pirate. The most famous Jolly Roger today is the Skull and Crossbones, a skull over two long bones set in an X arrangement on a black field. Historically, the flag was flown to induce pirates' victims to surrender readily.
The Punisher's Skull has the same meaning as the common symbol of a skull- it means death, pain, suffering, ect. It represents the Punisher's violent and brutal treatment of criminals, and it's a symbol meant to strike fear into their hearts. It also doubles as functional, because the bright white is meant to draw enemy fire to the most armored part of his uniform, and the "teeth" of the skull are often portrayed as being part of his belt which contains additional ammo for his weaponry.
The Jolly Roger was the flag, not the ship. Jolly Roger refers to flags flown on ships which identify the ship's crew as pirates. So, pirates sail with the Jolly Roger flying. The most common Jolly Roger is the skull and crossbones.
Most likely because most cartoons are targeted for children. In addition, there was a large boom of children's entertainment in the 70's-90's, where most cartoons were targeted to children.
When one is looking for some of the most famous sleeping cartoons, one might want to visit an online site called TopTenOfCity. This site features a list of the top ten most popular cartoons of all time, including some sleeping cartoons.