I'm pretty sure over the years her wife has bought her a wardrobe of bunnysuits in various styles.

Well, Thyrian doesn't understand the purpose of clothes very well, but if he is told it will make people happy he would dress up in a heartbeat. He would also put eggs in very obvious places to help whoever isn't finding any lol

The best youre getting out of grey is him carrying around a massive basket of food while wondering how he ended up like that. It wont last, he'd sooner threaten to eat the bunny to get out of it. Besides, if hes hiding the eggs, no one will find them.

DeeDee is already a rabbit xemself. However, xe would not do so well as the Easter Bunny.