Nope, the Easter Bunny will turn out to be the St Mary’s School Rabbit that Maggie gets to look after over the Spring Break, which of course escapes. It can dig into the NeverNever and turns out to be a Old World monotreme, just like the Haggis.
Basically it’s a German Lutheran version of Santa, so it is bound to exist in the Dresdenverse fun fact it’s archenemy is bound to be Lacuna. So Toot will have to slay the Easter Bunny and present it’s front teeth to Lacuna if he ever expects to win her heart