The Incongruity Theory, proposed by Arthur Koestler, suggests that humor arises from the sudden perception of incongruity or unexpectedness in a situation.

The Superiority Theory, attributed to Thomas Hobbes and Henri Bergson, posits that humor arises from a feeling of superiority over others or oneself.

Sigmund Freud's Relief Theory suggests that humor provides a cathartic release of pent-up emotions, particularly those related to aggression or anxiety.

The Cognitive Theory, proposed by William Fry and others, emphasizes the role of cognitive processes, such as pattern recognition and mental flexibility, in understanding and appreciating humor.

The Cognitive Theory suggests that cognitive flexibility, the ability to shift perspectives and mental representations, is crucial for understanding and appreciating humor.

Peter McGraw's Benign Violation Theory suggests that humor arises from violations of social norms or expectations, provided that these violations are perceived as benign or harmless.

The Linguistic Theory, proposed by Victor Raskin, focuses on the role of language and wordplay in creating humor, particularly through mechanisms like puns, irony, and ambiguity.

The Linguistic Theory suggests that ambiguity, the presence of multiple meanings or interpretations, is essential for linguistic humor to occur.

Geoffrey Miller's Evolutionary Theory suggests that humor has evolved as a social bonding mechanism, helping individuals signal their intelligence, creativity, and social skills.

The Evolutionary Theory proposes that the primary function of humor is to facilitate social bonding and strengthen relationships.

The Sociocultural Theory, proposed by researchers such as Elliott Oring, emphasizes the role of social and cultural factors, including shared values, beliefs, and norms, in shaping what is considered funny.

The Sociocultural Theory suggests that a shared cultural context is essential for humor to be understood and appreciated, as it provides the necessary background knowledge and shared references.

William Fry's Appraisal Theory suggests that humor arises from the evaluation of a situation as both positive and negative, creating a blend of emotions that can lead to laughter.

The Appraisal Theory suggests that a positive-negative evaluation of a situation, where both positive and negative aspects are simultaneously present, is essential for humor to occur.

The Surprise Theory, proposed by researchers such as Robert Provine, emphasizes the role of surprise and the violation of expectations in creating humor, particularly through unexpected punchlines or twists.