The original spelling is Mićo and it's pronounced 'MEE-cho'.
Some other nicknames and forms for
Milan used in Croatia:
Milenko, Laco, Lacika, Lacko, Lako, Lale, Mane, Mano, Micko, Mido, Mijo, Mijan, Mijat,
Mika,
Mike,
Miki, Miko, Mikac, Mikan, Mikica, Mikonja, Mikoš, Mile, Mili,
Milo, Milak, Milašin, Milek, Mileta, Milijan, Milinko, Milko, Milkan, Milonja,
Miloš, Miljo, Miljko, Mimo, Miša, Miše, Mišo, Miška, Miško, Mita, Mite, Mito, Mitko, Mušo, Mušan, Miljenko
___________________________________________________________
Current favorites:
PenelopePetraPiperPoppyPrairie
PaigeParisPatrickPavaoPavel