Matthew Perry posted about Batman on Instagram 7 times before his death. Here are his connections to the superhero.

Matthew Perry posted several "Batman"-related photos to Instagram in the week leading up to his death.Kevin Winter/Getty Images, Matthew Perry/Instagram

• In the week leading up to his death on Saturday, Matthew Perry posted to Instagram seven times.
• Each post referenced Batman, and in some he referred to himself as "Mattman."

On Saturday, actor Matthew Perry was found dead at his Los Angeles home. Per the Los Angeles Times, police found the 54-year-old actor unresponsive in his hot tub around 4 p.m. While no cause of death was cited, law enforcement sources told the Times there was no indication of foul play.

In the week leading up to his death, Perry posted to Instagram seven times, referencing Batman in every post.

Perry was a known fan of the DC superhero and even had a "Batcave" in his Los Angeles home. Here are all the late actor's connections to the character.