Fans of YouTube star Markiplier were left frightened after the phrase “RIP Mark” began trending on Twitter/X on July 21, 2025.

However, viewers were relieved to see that the YouTuber is alive and well. Instead, the term began trending due to the death of American actor and producerMark Damon,known for his roles in spaghetti Westerns in the 60’s.

markiplier-fans-panic-rip-mark-trends-twitter-x

He notably won a Golden Globe for his role in ‘The Fall of the House of Usher’ in 1960, and would go on to produce films in the 70’s, founding several notable production companies throughout the course of his Hollywood career.

RIP Mark Damon, 91, handsome hero of Roger Corman’s HOUSE OF USHER, Mario Bava’s BLACK SABBATH, various Spaghetti Westerns and (mostly Italian) horror movies; later a very successful producer (MONSTER, with Charlize Theron; THE NEVERENDING STORY; DAS BOOT).pic.twitter.com/jxU1QMLH7n

markiplier explaining his usage of AI

Damon died on June 16, 2025, and fans took to social media to honor his legacy as both an actor and filmmaker — but there was some confusion, thanks to a slew of other high-profile figures who also share the name ‘Mark.’

Overall, the tag “RIP Mark” was filled with concerned fans of Markiplier, who were quick to share their shock and confusion in a slew of humorous posts.

Pirate Software

“RIP Mark is trending and I got scared for a sec,” one fan wrote.

RIP Mark is trending and I got scared for a secpic.twitter.com/GLKfjgzwct

A photo of TikToker Kelsey Kotzur and her cardboard cutout.

“RIP Mark made me think and panic for a moment that Markiplier had died,” another admitted.

RIP Mark made me think and panic for a moment that Markiplier had diedpic.twitter.com/YQVQ5ls3Us

However, other fans worried that the trending term was referring to prolific actor and Star Wars icon Mark Hamill — but that’s not the case, either.

Markiplier responds after getting called out for using AI

Pirate Software bites back at viewer asking for apology video over controversy

TikToker panics after discovering cardboard cutouts of herself at Walmart

“Similar to everyone, [I] saw RIP Mark trending and I’m just like, ‘Damn, not Mark Hamill. Okay, no. F*ck, I know Hoppus was just sick, really sick. Okay, he’s good. Christ, hopefully not Markiplier either.’ Last names are important, y’all,” another fan wrote.

Similar to everyone, saw RIP Mark trending and I’m just like “Damn not Mark Hamill. Ok no. Fuck, I know Hoppus was just sick really sick. Ok he’s good. Christ hopefully not Markiplier either.” Last names are important y’all.pic.twitter.com/jdDF2XMej5

At the time of writing, Markiplier has not publicly commented on this social media kerfuffle. However, the influencer has been extremely busy as of late, and hasn’t uploaded a video in four weeks, likely due to focusing on his upcoming debut film, ‘Iron Lung.’

The YouTubergave fans an updateon the situation in a video on March 12, saying the flick is in its “final stretch.” Fans were understanding of his current schedule and are eagerly awaiting more information about the horror movie, which Mark claimed will have atheatrical release “soon.”