Dennis Reynolds , played by Glenn Howerton , in It 's Always Sunny in Philadelphia , is portrayed as a man with a narcissistic personality disorder .
The character Adam Demamp ( Adam DeVine ) in Workaholics , and the character Dennis Reynolds ( Glenn Howerton ) in It 's Always Sunny in Philadelphia , are portrayed as men with a severe expression of narcissistic personality disorder.==Critici
Narcissistic personality disorder