from here

• dynamic - a character who changes over time
• static - a character who does not change over time
• round - an individual with a complex personality
• flat - an individual with one kind of personality trait or characteristic
• stock - conventional or stereotypical characters who are reused in particular types of stories (the mad scientist, the faithful sidekick)
• anti-hero - a major character, usually the protagonist, who lacks conventional nobility of mind, and who struggles for values not deemed universally admirable
• foil - any character (usually the antagonist or supporting) whose personal qualities contrast with another character (usually the protagonist). through this contrast, we get to know more about both characters
• symbolic - any major or minor character whose very existence represents some major idea or aspect of society