TWICE have revealed the name of their official fan club! The girl group debuted with "Like OOH-AHH" last month, and it was quickly apparent that they needed to name their growing fans.

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The girls posted the photo above to Instagram was well as the message, "A lot of fans liked 'Once,' 'Once and TWICE.' Once then TWICE. They seem to go together. If you love us even once, we'll repay you with TWICE our love. It's difficult to connect with people, and getting people to love is the most difficult of all. We'll work hard so that you can look at us once, and fall in love with us TWICE. Be with us until the end. We love you. <3." 

The explanation of their name is pretty adorable and clever, and fans seemed to be knowing what they were doing when they picked it.

What do you think of Once?