Answer:
1. Moriarty (Nemesis of Sherlock)
2. Mike
3. Mandy
4. Mendelssohn (Composer)
5. Melissa
6. Mahler (Composer)
7. Macpherson (MRT station)
8. Michelle
9. Mathew
10. Messi
Explanation:
Their names all begin with the alphabet "M".
