Lol this is random that I stumbled onto this. I'm American, and Duracell could never run a pink bunny commercial in the States. We've had the pink Energizer bunny since the 1980's. It makes me curious who came up with the pink bunny for their ads first, Duracell or Energizer.
Duracell created the bunny in 1973, Energizer in 1989. In the intervening period, Duracell didn't renew the trademark in the States for the bunny, while Energizer did. Outside the US, there is no Energizer bunny. I only found out that there was an Energizer bunny a few months ago. Confused the hell out me. Here in Australia, Energizer have a character called Mr Energizer, a battery with arms and legs.