Creon is first and foremost a tragic figure because he is a victim of fate. He is born into a family cursed by the gods, and he is doomed from the start to make tragic choices. For example, his father, Oedipus, killed his own father and married his own mother, and Creon is haunted by this history of sin and violence.
Creon is also a tragic hero because he is a man of hubris, or excessive pride. He believes that he is always right, and he is unwilling to listen to the advice of others. This leads him to make many bad decisions, such as ordering Antigone to be buried alive and declaring war on Thebes.
Finally, Creon is a tragic hero because he is a man of passion, rather than reason. He is easily angered, and he is quick to make decisions without thinking them through. This leads him to make many rash decisions, such as ordering the death of Antigone.
Creon's tragic flaw is his inability to control his emotions and his pride. This leads him to make many bad decisions that ultimately result in his own downfall.
Even though Creon is a tragic hero, he is also a complex and sympathetic character. He is a man who is trying to do what he believes is right, but he is ultimately defeated by his own flaws.