Related Clues:

• Trebek or Sajak
• Leno, for one
• Advertiser
• Supplementary immunizer
• Narcotics Anonymous figure
• Type of rocket
• Entertain guests
• Backer
• Vouch for
• Ad buyer
• Bash thrower
• It's often 'proud'
• Party planner
• Moderator
• Caterer caller