some good examples of this are:
kingdom - Ouki's subordinate, tou is very skillful and strong
mahouka koukou no rettousei -
Spoiler (mouse over to view)
as of recently, tatsuya has Pixie under his control and she follows his orders and is very helpful
Eclipse Hunter (novel) - devon has daren, who is a super cyborg and VERY capable
Kuroshitsuji - sebastian is also skillful and strong
Densetsu no Yuusha no Densetsu - the king has Lucile Eris, who more or less follow his orders
the legendary moonlight sculptor (novel) - weed has some strong monsters who follow his orders
thanks for all the suggestions in advance!
________________