All around the world, Duffer (Duffer ) is a very rare epicene first name. More prevalently, Duffer is the last name as well as the forename.
Mr, Jim, Tim, Zoe, Marc, Mary, Mark, Matt, Mike, Sara, Sean, Alex, Alan, Andy, Anna, Anne, Adam, Chad, Cori, Coby, Joy, Born, Joe, Jay, Mac, Sid, Ann, Amy, Bob, Kay, Kim, Pat, Pam, Ray, Ron, Roy, Del, Dan, Don, Dot, Lee, Lou, Lon, Jon, and Brad
) is a very rare epicene first name. More prevalently, Duffer is the last name as well as the forename.