I'm sure you can contact support.
ew yuck, talking to people /s
It will require @Tunnel King to look at your email depending on how you registered on TCF, if it was through Steam or directly through TCF. He will send you a PM when he can on how we can get your issue resolved.
I did want to say if you want to change your username, you can use this to change it: https://forums.terraria.org/index.php?account/UserNameChange
Separate names with a comma.