Here's the list of those who are guarded! Members marked with a ★ are those who were first to be protected by that senshi.
Sailor Moon guards...
Mirei ﹠ Serenitatis ★
Rin ﹠ H☆SHi.NU
Tuxedo Kamen guards...
Erin ﹠ Gensoukai ★
Sailor Mercury guards...
Minterpunct ﹠ A Wikity Fridge ★
Sailor Mars guards...
Seven ﹠ Meowbark2000 ★
Zombie ﹠ Zombie.Soda
Sailor Jupiter guards...
(currently off-duty!)
Sailor Venus guards...
Mina ﹠ Minako's Sailor Moon Page ★
Sailor Pluto guards...
Fin ﹠ Twansgendew ★
Sailor Chibi Moon guards...
Elle ﹠ Just A Strange Gal ★
Sailor Uranus guards...
Tarraxahum ﹠ Tarraxahum's Den ★
Sailor Neptune guards...
Aelyn ﹠ Aelysia ★
Sailor Saturn guards...
Christina ﹠ Midnight Cloud Network ★
Sailor Star Fighter guards...
(currently off-duty!)
Sailor Star Maker guards...
Rin ﹠ Kousagi.NET ★
Sailor Star Healer guards...
(currently off-duty!)