The "heroes" that the Mayor gives the Key to the City to, besides the Justice League, are Space Cabbie, Tommy Tomorrow and Vibe.
On the series Blu-ray, this episode is titled "Something Borrowed, Something Green".
This refers to the wedding tradition of a bride having "something old, something new, something borrowed, something blue" for good fortune, with blue representing purity and fidelity. The use of green references Ivy.
This refers to the wedding tradition of a bride having "something old, something new, something borrowed, something blue" for good fortune, with blue representing purity and fidelity. The use of green references Ivy.
Gary, a wedding guest who accompanied Catwoman to the wedding has the likeness of Batman (1989) and Batman Returns (1992) director Tim Burton.
Among the guests at Ivy's wedding are several DC villains not seen before in the series such as Solomon Grundy, Killer Frost, Livewire, Cheetah, Felix Faust, and others.