The King of Mask Singer show was wrapped with surprises by a rapper contestant introduced as 'Rainman'. The show was rained with the rappers' unexpected skills and revelation during the show last Sunday, Jan. 22.

Rainman was revealed to be a popular male rapper. On his first round he had a duet with Flower Road, they sang Expressing Affection. They worked together and gave a beautiful, thrilling performance. It was Flower Road who received more votes and was advanced to the next round.

On the second round, Rainman sang "That I Was Once By Your Side" by Toy as his solo performance. At the middle of the performance, he removed his mask and revealed himself as rapper DinDin!

According to Viki, the King of Masked Singer is a South Korean Mystery Music Show singing competition airs on MBC every Sunday at 4:50 PM. The competition lasts for two episodes, with the singers competing for one-on-one in each eliminating rounds. They are given a mask to conceal their identity, hence removing factors such as popularity, career, and age. In the first round, both contestants will sing the same song, while in the second and third round they will sing a solo song. The identities will not be revealed until they have been eliminated.

One of the judges even said, "Isn't he better at singing than rapping?" Rainman impressed the audience and the panelists on his singing skills." Soompi reported.

Lim Cheol, better known by his stage name DinDin, is a South Korean rapper born on November 20, 1991. He had soundtrack appearance in "Must Be The Money" an original soundtrack of Chief Kim. "Rainman" also had television appearances in "Catch Music If You can" (2015), "My Money Partner: The CEO of Next Door" (2015-2016), "Real Men", "Tribe of Hip Hop", and "Love Battle".

The program King of Mask Singer just showed that rappers also have beautiful singing skills. Contestant "Rainman" can now think if he would pursue his singing career or focus more on rapping. Whichever it is, he sure has the voice.