People often mistake Common for Court, but that is not true. Common Jesters are the Jesters you typically see around in the wild; They have moderate aggressiveness for a Jester, and they are, as other Jesters are, very territorial. They have no special markings, only a few stripes and bells on their hat and no triangular bottom of shirt.
These are more aggressive Jesters, distinguishable by the lack of frills, triangular shirt bottom coated in bells, and pointed shoes. Some Court Jesters may want different styles of hats, as well; For example, a horse-earred hat.
Contrary to popular belief, there is a difference between your regular Jester and your Striped! For starters, Striped have plenty of stripes, as opposed to a normal jester's few. There are Horizontal, Vertical, and Diagonal Striped Jesters. Striped Jesters are very social, and it's recommended you keep them in at least pairs.
There are Polka Dot, Rainbow, and Small Dot variants. Spotted Jesters are one of the less violent species, less aggressive towards other Jesters, Clowns, and Mimes. However, they are still somewhat territorial.
Diamond, Teardrop, Princess, and Radiant are the main types of Jewel Jester variants. Jewel Jesters tend to be much, much pickier than other jesters, requiring expensive wine, high-quality objects, velvet hats, and gourmet table scraps. They tend to be somewhat stuck-up.
Petite are the smallest of Jesters, growing from one foot to two feet tall at the most. Many like these 'pocket-sized' Jesters, especially when young, as they stay small for a much longer time. However, their small size puts them at risk of many natural things. They tend to have more frills than the rest, and appear somewhat doll-like. They're very docile, as many others are capable of taking them down.