Hello and welcome to Apple Support Communities, Shado512!
I understand your friend received a fake FaceTime call showing it was from you. I'd be happy to provide more information about what's happening.
Have a look at the following article: Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams
"If you get a suspicious phone call or voicemail
Scammers spoof phone numbers and use flattery and threats to pressure you into giving them information, money, and even iTunes gift cards. Always verify the caller's identity before you provide any personal information. If you get an unsolicited call from someone claiming to be from Apple, hang up and contact us directly."
Thank you for using Apple Support Communities.
Have a great day!