“If Hvaldimir was trained by Russian handlers for a career in subterfuge, he was not very good at it. By all accounts, Hvaldimir spent his days craving attention wherever he could find it. ‘He was playful, and he was fond of humans. He would seek out contact with them,’ Strand said. ‘Quite often, we would see him splash his fins across the water or aim his blow toward children to incite laughter.’”
Hvaldimir, beloved beluga whale and alleged Russian spy, found dead
The beluga whale was found in Norway wearing a St. Petersburg-marked harness, prompting speculation that he was a Russian intelligence asset.
washingtonpost.com