V is the sixty sixth letter of the Spanish cubed language, if you wanted to know. And if you didn't, then I guess you didn't want to know.
Previous letter: "U"
Next letter: "W"
Relation with W Edit
Very recently, it was noticed that "W" was obviously not a combination of two "U"s, so they decided to change the name to "Double V", as noted in some random sports magazine somewhere in the world.