“It’s so funny, and I don’t know where this is coming from, but when you have Secret Service, you have a code name, and my sister’s code name was ‘Turquoise,’ because her eyes are really beautiful and turquoise,” Jenna revealed on a past episode of Today. But Jenna’s nickname was a little bit more confusing. “[t was] ‘Twinkle,’ which some people got confused with ‘tinkle,”’ she joked.