Mat4yo had started YouTube in 2005 making Pokémon videos. Now, he makes a wide variety of videos including rap battles and other songs on his channel 'Mat4yo". Matteo has been writing music since the age of 10. He posts some of the songs that have never seen the light in a video on his Soundcloud account. Matteo's "Project of the Summer 2013" is a rap integrating word pairs that, when said together, represent the names of the 151 original Pokémon.
- Dead Bart (Squidward's Suicide vs Dead Bart)
- Wall-E (Fluttershy vs Cream the Rabbit)
- Lazlo (Rocko vs Lazlo)
- Dead Bart (didn't record) (Squidward's Suicide vs Dead Bart 2)
- Lazlo (didn't record) (Cartoon Network vs Nickelodeon)