I’m pretty sure agents would consider that unprofessional. They don’t know the people. Why should they care what they think?
I only answer because I’ve heard an agent address specifically that. But ask Sir James. I haven’t finished one draft of my query letter yet, so I can only parrot…
(You looked for agent names in acknowledgements while you were flipping through B&Noble, right? ‘Cause I’m sure you could find some good ones.)