Namesakes
Bulgarian Kings and Tsars:
3 tsars, 1 king
King Boris I (a.k.a. Mihail) 852-889 
Tsar Mihail Asen I 1246-1256
Tsar Mihail Asen II 1277-1279
Tsar Mihail Asen III 1323-1330
Romanian Presidents and Prime Ministers:
1 prime minister
(prime minister) Mihail Kogălniceanu 1863-1865
Saints:
1 saint
Saint Boris I of Bulgaria (a.k.a. Mihail) ?-907