Sour Susan

Sour Susan is a fictional character from the long-running television series ''Horrid Henry. She is predicted to be around the age of 10 although it was thought that Susan was 11 years old as there were 11 candles on her birthday cake in the episode Sour Susan's Birthday.''

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She is also known to be best friends with Moody Margaret although they both have a row occassionally in some episodes. She is one of Horrid Henry's enemies as she always repeats whatever Moody Margaret says to Horrid Henry.