Find out the boy's Latin name.

Marcus, Mark, etymology is Mars, meaning warrior, which is the common name of Roman men. A celebrity with that name, like Mark? Anthony marcus

Antonius, Mark? Aurelius

Aurelius, Mark? Tully. Cicero Marcus

Tullius

Cicero et al

Leander, Leon De, comes from Greek mythology, the lover of Herod, which means a person like a lion.

Li Yu, Li Yu, the surname of the great historian Li Yu, means cyan.

Lucius, Ruzius, a common Roman noble name, etymology is light.

You can pick any one, and hey me if you want:)