In advertisements, the Duracell Bunny is either a standard battery-powered toy, a stop-motion puppet, or a CGI-animated character.

[4] Sensing an opportunity, Duracell's North American rival Energizer created a parody of the "Drumming Bunny" in 1988.

Energizer's parody ad began much as Duracell's original 1973 ad did, except that midway through the discussion of which drumming rabbit would last longest, it was interrupted by the Energizer Bunny, a different pink rabbit wearing sunglasses, flip-flops, and beating a bass drum.

[citation needed][6] When Energizer's 1988 parody became an advertising success and Energizer trademarked its bunny, Duracell decided to revive the Duracell Bunny campaign and filed for a new United States trademark of its own, referencing the original use of the character more than a decade earlier.

[11] In November 2017, a United States District court judge threw out most of Energizer's claims in a summary judgement, but leaving the breach of the 1992 territorial contract dispute active with respect to the two companies' bunny trademarks.