(I haven't been able to stop thinking about this since I finished reading Justice League/Power Rangers #1)

Please imagine the Mighty Morphin' Power Rangers theme song while reading.

That's Ghuldar, Talia, Strangester, Splatt and Nocturna Eclipsa

Seriously, it doesn't work if you don't imagine the theme song.

Meanwhile, on the outskirts of Gotham Grove...

"And with favorite colors they dress almost exclusively in, if you can find them!"

His full name is Alfred 5, of course.

He wields a Power Staff.

I basically just added a cape; he's pretty much already costumed like a Power Ranger in Batman comics.

Those are Power Batarangs, even though Cass doesn't really need any weapons.

I'd also accept her as The Purple Ranger.

That's supposed to be a Power Blaster, which shoots lightning bolts.

Who else could it be? He pilots the mighty Goliath Megazord.

Pronounced "GORE-DAWN."

The Red Robin, Bluebird, Golden Bat, Black Bat and Pink Crane Batzords...

...all combine to form The Batman Megazord!