Lol, take it from a dude whose main username is White Shadow, and loves riddles
The answer is Shadow
It only appears where there is light, but if light has direct contact with it, such as a flashlight beam, it'll fade.
Mr. Ewell hates Atticus. He curses at him for wanting to protect an African American instead of supporting him and his daughter. He goes as far as to spit him and call him bad names. Atticus takes this like a man and doesn't change his behavior, quite the opposite could be argued since he sticks to his beliefs and keeps protecting Tom.
