Menno Versteeg, also known as Mav Karlo, is a Canadian musician, best known as the frontman for indie rock group Hollerado.

[1] Versteeg received a nomination for Recording Package of the Year at the 2014 Juno Awards for his work on Hollerado's White Paint.

[2] In 2018 Versteeg became a member of the Canadian supergroup Anyway Gang; they released their first album in November of that year.

[3][4][5] He received attention for providing a $1,500/band mental health fund from Royal Mountain Records to help bands deal with the stress that can come with touring and performing [6] based on the understanding he gained from his own experiences as he struggled with mental health while on tour.

[11] As Mav Karlo, Versteeg released the EP Reno Tapes, on March 9, 2020,[12] and followed up later the same year with the full-length album Strangers Like Us.