Using the first letter:
* Adept Andrew (if he is skilled or proficient)
* Ambitious Andrew (if he is driven and goal-oriented)
* Articulate Andrew (if he speaks well)
Using a different letter:
* Remarkable Andrew (if he is exceptional)
* Exceptional Andrew (if he is outstanding)
* Wonderful Andrew (if he is great)
Ultimately, the best choice depends on the context and what you want to emphasize about Andrew.