Myrddin \m(y)-rddin, myr(d)-din\ as a boy's name is related to Marvin and Merlin.

The baby name Myrddin sounds like Marden, Mardyn, Mardon and Martin. Other similar baby names are Marsdin, Ardin, Bordin, Bradin, Cardin, Hardin, Jordain, Marlin, Marsden, Marsdon, Murvin, Merwin, Mervin, Marwin, Morfin and Myron.