Garg is not a popular first name.
First names and their meaning - Page 6626
Garr
Meaning: Spear. 
Garr is not a popular first name. It is more often used as a boy (male) name. 
Gasan
Gassan or Ghassan is a masculine given name of Arabic origin, a form of the name Hassan. translated into Russian […]
Gaze
Gaze is not a popular first name.
Glitz
Glitz is not a popular first name.
Goff
Goff is not a popular first name. It is more often used as a boy (male) name.
Gros
Gros is not a popular first name.
Gwendolyne
Gwendolyne is not a popular first name. It is more often used as a girl (female) name.
Haylen
Meaning: Hall of light. 
Haylen is not a popular first name. It is more often used as a girl (female) name. 
Hephaestus
Meaning: God of the crafts. 
Hephaestus is not a popular first name. It is more often used as a boy (male) name.