I'd yell "BUGS!!!!! You're here!!!!"
"Yeah, didn't tink I'd make it, didjya?"
"Awww, well I'm glad you did!! Let me hug you!"
Bear-squeeze ensues... His eyes get bulgy and bloodshot, and he tries to squirm out of the bear-like grasp of my hug.
"Take it easy doc! You ruffled my fur! I just pressed it."
"Sorry Mr. Bunny. Hey... wanna try a little... mischief?"
"Shaw, I'm game. Whatcha have in mind?"
"She who was my wife in our former lives likes to drive. I think it's time her home was... renovated..."
Geez if this isn't off-topic, I don't know what would be.