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.

Only here, the goal was more lighthearted and the audience did succeed in freeing the performers from the clutches of a exaggeratedly maniacal owner.

I slipped into the shoes of a maniacal 81-year-old widow so effortlessly it was almost frightening.

The maniacal slogging at the beginning of his tenure as captain was a lighting of the way for his England team-mates.