maniacal

Bryant, in turn, became Harrison’s template for what a true superstar looked like: a cutthroat competitor, a maniacal worker, someone who gave every ounce of effort every second.

Oscar nominee Columbus introduced audiences to the mysterious and maniacal ways of the Mogwai — furry, wide-eyed bipeds with giant ears — with the release of “Gremlins” in 1984.

There’s a deeper reason why recently he’s sounding even more maniacal.

He’s maniacal in his attempt to rule over every place on the planet that speaks Russian or, more accurately, drinks Russian vodka.

It's only the maniacal laughter in the fading bars that suggests this outlook is the purview of a madman.