Nintendo made a rip-off of its own game, Dr. Mario. In every Brain Age game, there's a game called Virus Buster that is the same thing! Even the music is the same song but they sound slightly different!

Most of characters of the Mega man series have they name's  based in a type of music or instrument here's a list of them

Mega Man - Rock: Rock & Roll (get it?)
Roll - Roll: Rock & Roll (get it?)
Proto Man - Blues: A genre of music more commonly known as “Rhythm and Blues.”
Bass - Bass: The lowest tones in the register in music.
Forte: A musical denotation meaning “loud” (it’s Italian for “strong” ). The opposite is “piano” meaning soft.
Treble - Treble: The high tones in the register; the opposite of bass.
Gospel : A type of Christian music.
Rush - Rush: There’s actually a band named this, although I don’t know if this is what Capcom meant.
Beat - Beat: A measure of rhythm in music.
Tango - Tango: A kind of dance.
Enker - Enker: Probably a misspelling of “enka” which is a modern Japanese ballad (see definition of ballad below).
Quint - Quint: Probably a misspelling of “quintet,” a musical group with five members.
Punk - Punk: A genre of music (“punk rockers” ).
Ballade - Ballade: Probably a misspelling of “ballad” which is a poem in the form of a song that tells a story.
Reggae - Reggae: A genre of music.
Middy - Middy: Probably a misspelling of “MIDI” which is an acronym for a type of file format used to store musical scores electronically.
Techno - Techno: A type of dance music.
Tron Bonne - Tron Bonne: This could be a reference to a trombone, the instrument.