Possible Clues:

• Film critic Gene
• Ebert's longtime co-host
• Ebert’s TV co-host
• Longtime film critic Gene
• Longtime Ebert partner
• Ebert's "thumbs-up, thumbs-down" partner
• Onetime partner of Ebert
• Longtime Chicago Tribune film critic
• Onetime colleague of Ebert
• Half of an old film duo