Possible Clues:

• One with an I problem
• One over-concerned with himself got entered in wrong site
• One's all eyes, by the sound of it
• Tough teammate to handle
• For instance, is taken in by extreme bighead
• Conceited type is to get teased
• Self-centered one
• His main interest is in him that's got one in the estimate
• Nice and accommodating old German, briefly one's number one fan
• Narcissist is to get straightened out