Arnold Schwarzenegger appears to be an unexpected monster kid in a hilarious throwback picture from the premiere of The Monster Squad. The Instagram account “The 80s Guy” posted this image of the beaming Terminator star posing with the Wolf Man (who reportedly has “nards”).

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Written by Shane Black and Fred Dekker, and directed by Dekker, The Monster Squad united iconic creatures such as Frankenstein, the Mummy, the Wolf Man, the Gill-man, and Dracula. The classic monsters were pitted against a group of kids. Think of an old-school Universal Monster movie mixed with The Goonies. The creature designs were done by special effects Wizard Stan Winston, who also created effects for Schwarzenegger’s The Terminator.

Of course, action fans are familiar with The Monster Squad writer Shane Black. He played a wisecracking soldier alongside Arnold in 1987’s Predator. Black would go on to pen blockbusters like Lethal Weapon, The Long Kiss Goodnight, and Iron Man 3. Perhaps Schwarzenegger was at the premiere to support Winston and Black. Regardless, he’s clearly over the moon posing alongside his werewolf buddy.

However, Arnold Schwarzenegger wasn’t the only one in for a howling good time at the 1987 The Monster Squad premiere. As seen on the blog Branded In the 80s, a slew of stars were in attendance. Actors dressed as the film’s five monsters attended the party, along with Hollywood legends including Michael Douglas, Kiefer Sutherland, and Drew Barrymore. Growing Pains star Kirk Cameron also went, as did rocker and actor Meatloaf. Monster Squad leader Andre Gower proudly rocked his red “Stephen King Rules” t-shirt as he partied the night away among Hollywood’s elite

‘The Monster Squad’ Flopped Despite Arnold Schwarzenegger’s Endorsement

Even with all of that star-power goodwill, the film disappointed at the box office. The movie premiered in the US on August 14, 1987, earning $2.9 million in its first week, ranking 12th. However, its performance declined rapidly in the second weekend, with an average of only $696 per screen. Consequently, it was quickly pulled from theaters, leaving a disappointing domestic total of $3,769,990.

Director Fred Dekker desired a production company like Disney’s Touchstone Pictures to take on The Monster Squad. He felt they would have marketed a film aimed at children better. The movie’s PG-13 rating may have hindered its connection with the intended audience, while older teenagers were drawn to the R-rated “The Lost Boys”, which premiered two weeks earlier.

Despite the film’s initial failure, it has become a cult favorite over the years. Generations of fans discover the monster romp every Halloween season on home video and streaming. A documentary was even made featuring star Andre Gower exploring the impact of the film over the years.