WWE Hall of Famer The Undertaker appeared at the New Theatre Cardiff, Wales for his One Deadman show and thanked the fans in attendance.Clash at the Castle will feature numerous title matches and will be headlined by Drew McIntyre and Roman Reigns. However, it looks like another big name is present in Cardiff. The Undertaker featured in the "UNDERTAKER 1 deadMAN SHOW." The event headed by The Phenom saw him talk about wrestling stories and answer some questions.In a tweet, The Deadman posted a series of photos of the show and thanked the fans who attended. He even mentioned the upcoming premium live event."Thank you to the New Theatre and everyone who attended both One Deadman shows in Cardiff, Wales. Hell of a time. ⚱️ 🥃 🏴󠁧󠁢󠁷󠁬󠁳󠁿 #WWECastle TONIGHT"Check out the tweet below:Undertaker@undertakerThank you to the New Theatre and everyone who attended both One Deadman shows in Cardiff, Wales. Hell of a time. ⚱️ 🥃 🏴󠁧󠁢󠁷󠁬󠁳󠁿#WWECastle TONIGHT2910282Thank you to the New Theatre and everyone who attended both One Deadman shows in Cardiff, Wales. Hell of a time. ⚱️ 🥃 🏴󠁧󠁢󠁷󠁬󠁳󠁿#WWECastle TONIGHT https://t.co/Tn2TFrscvXFans are expecting to see The Undertaker at WWE Clash at the CastleAlthough The Prince of Darkness retired in 2020, his presence in Wales prompted fans to speculate that he would appear during the event.Fans quickly responded that this could be a hint that he will show up. One fan even suggested that Taker should enter like he did in SummerSlam 1992 :Martin Edwards!@martinedwards29@undertaker Hope you make a special appearance tonight on the back of a hearse in a nod to #wwesummerslam92 #WWECastle @WWE1@undertaker Hope you make a special appearance tonight on the back of a hearse in a nod to #wwesummerslam92 #WWECastle @WWEA▪️@Kiitez@undertaker @UndertakeAAP Should turn up tonight in my opinion, big fella.1@undertaker @UndertakeAAP Should turn up tonight in my opinion, big fella.Liam.@ItssLiamm_@undertaker Take that as a hint you’ll show up tonight then?!@undertaker Take that as a hint you’ll show up tonight then?!Other fans were upset since they didn't know Taker hosted the show and wished they were able to attend:RingyAFC85@ringy5421@undertaker Ah really??? I never knew this was happening!! Definitely would of went if I knew ! I'm gutted 1@undertaker Ah really??? I never knew this was happening!! Definitely would of went if I knew ! I'm gutted 😪😪😪Pro Wrestling Addict@Norman976Ben@undertaker I should have been there and tonight for #WWECastle5@undertaker I should have been there and tonight for #WWECastleTimothy Brett COYS@TimothyBrett18@undertaker Never knew you were coming I’d have been there I’m gutted @undertaker21@undertaker Never knew you were coming I’d have been there I’m gutted @undertakerFortunately for the fans who missed the show and those who want to see the veteran in the future, it's said that the promotion will utilize him more. Since The Undertaker is popular with fans, which means other shows are in the works.WWE has recently announced that the "UNDERTAKER 1 deadMAN SHOW" will take place on Friday, October 7 at the Theatre of Living Arts in Philadelphia. The show will take place ahead of WWE Extreme Rules, which takes place on October 8.Fans can't wait to see the new role the Deadman will take on and how he'll reinvent himself in this phase of his life.Do you think The Undertaker will be present for Clash at the Castle? Leave your thoughts below!Recommended Video: Watch here to learn which big moments of The Undertaker were unscripted