Profile class

public Profile(String uuid, String playerName) // Premium account, not legacy
public Profile(String uuid, String playerName, boolean demo, boolean legacy)

profile.getUuid(); // UUID of the player (usually it hasn't dashes)
profile.getPlayerName(); // Nickname of the player (e.g. jeb_, notch)
profile.isLegacy(); // if account is legacy
profile.isDemo(); // if account isn't premium, it will return false