HPL: G (Wizards, Witches and Beings)
In the Lexicon, you’ll find:

Wagtail, Myron (uncertain). Lead singer.
Crumb, Gideon (male). Plays bagpipes.
Tremlett, Donaghan (male). Bass player
Thruston, Orsino (male). Plays drums.
Barbary, Heathcote (male). Plays rhythm guitar
Wintringham, Herman (male). Plays lute
Duke, Kirley (male). Plays lead guitar
Graves, Merton (male). Plays cello

Google Image Result for http://www.encyclopedie-hp.org/images/wizcards/middle/93-heathcote_barbary_middle.gif
Is this photo suppose to be the Weird sisters?