Since 2005, It's Always Sunny In Philadelphia has brought the most awkward and hilarious moments to television. Over the years, however, fans have also noticed various musical nods subtly hidden within its episodes.

In particular, an early episode from season one features nods to Hopeless Records, Avenged Sevenfold, Thrice and more.

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Paddy's Pub is probably one of the most important locations in It's Always Sunny In Philadelphia. In the early episodes of the series, eagle-eyed fans have noticed that the location has some serious music nods on its walls.

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Seeing as the episode aired back in 2005, it makes sense that so many emo bands and even Hopeless Records are represented in the show. As well, one Reddit user noticed another Thrice sticker in Paddy's Pub and decided to share their find.

Noticed a sneaky sticker in It's Always Sunny in Philadelphia. from r/PostHardcore

According to the Reddit thread, Rob McElhenney who plays Mac is a big fan of emo and hardcore music in real life. This could explain why so many band logos appear in the FX show. As well, his character has worn various band merch throughout It's Always Sunny In Philadelphia including a Bleeding Through shirt.

Have you noticed any other musical nods in It's Always Sunny In Philadelphia? Let us know in the comments below.