a person whose name is forgotten or not known.

They were thinking about hiring what's his face, the guy with the yellow shirt.

• raise some eyebrows
• raise someone's hackles
• raise the ante
• raise the roof
• raise the spectre of
• raise the spectre of something
• raise the stakes
• raise the tone
• raise your game
• raise your hackles
• raise your hand against
• raise your hand against someone
• raise your hand to
• raise your hand to someone
• rake in
• rake in something
• rake-off
• rake over the ashes
• rake over the coals
• ram down someone's throat
• ram down throat
• ramp up
• ramp up something
• ram something down someone's throat
• ram something down throat