Sure, here are three examples:

1. "Macbeth" by William Shakespeare - In the play, Macbeth is consumed by guilt 
and remorse after killing King Duncan to fulfill the witches' prophecy. He is 
haunted by the ghost of Duncan and eventually becomes paranoid, leading to his 
downfall.

2. "The Godfather" - Michael Corleone, the protagonist in "The Godfather," is 
filled with regret after ordering the murder of his own brother-in-law, who was 
a police captain. Michael is torn between his family's criminal life and his own 
moral principles, which ultimately leads to his sense of remorse.

3. "The Great Gatsby" by F. Scott Fitzgerald - The character of Gatsby is 
consumed by regret after his involvement in illegal activities and his obsession 
with winning back his lost love, Daisy. Despite his wealth and success, Gatsby 
is unable to shake his sense of guilt and remorse, which ultimately leads to his 
downfall.
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