Theodosia "Sissy" Christidou (born September 12, 1980) is a Greek television host and YouTuber. Born and raised Thessaloniki, studied in Music High School and at the age of 21 she started working as TV host in a small Macedonian channel named "TV 100". She has also hosted "Agrotis monos psaxnei", a weekly show on Alpha TV.[1] She was co-hosting the morning show "Mes Tin Kali Hara" on Alpha TV but she moved to ANT1 to co-host the daily morning show Proino ANT1 with Giorgos Papadakis and Christos Ferentinos. From 2018 she is hosting the weekend show "Ela Xamogela (Έλα Χαμόγελα)" on Open TV.