Matthew Perry often referenced Batman in interviews, and even had a Bat Cave in his former Los Angeles apartment.
Why were Matthew Perry's last 7 Instagram posts about Batman?
Matthew Perry posted eerie final Instagram post days before his death – NBC Chicago
Matthew Perry shares his incredible story of survival and why fame wasn't the answer to his problems
Matthew Perry was found underwater in hot tub by assistant who lifted his head out to try and get him oxygen - but Friends star was dead by time firefighters pulled him
Matthew Perry's bizarre Batman fixation: Troubled star called himself 'Mattman' in his final Instagram posts - and even had the 'bat signal' installed on the bottom of his pool
Matthew Perry Batman 'subliminal messages' emerge days after death as pal speaks out - Daily Star
The Meaning Behind Matthew Perry's Batman References In The Days And Weeks Before His Death
Olivia Munn, Selma Blair & other Hollywood stars mourn Matthew Perry's death as 'heartbreaking'; 'Friends' actor shared last Instagram post 6 days ago relaxing in jacuzzi - The Economic Times
Matthew Perry's Friend Insists His Batman Posts Were NOT A Cry For Help - Death Was A 'Freak Accident'! - Perez Hilton
Matthew Perry's Mysterious Posts Filled With Batman References Marked His Last Days Online
Matthew Perry's obsession with Batman before his shock death 'wasn't a coded cry for help', Entertainment
What Matthew Perry's 'Mattman' References Meant in Final Few Social Media Posts - Parade
The Story Matthew Perry Can't Believe He Lived to Tell
Anyone else find this concerning?”: Matthew Perry's Obsession With Batman Gets a Strange Twist After FRIENDS