Do some seals look like the joker?

No, seals do not look like the Joker. Seals are marine mammals belonging to the family Phocidae, characterized by their sleek, streamlined bodies, flippers, and a layer of blubber for insulation. The Joker, on the other hand, is a fictional supervillain from the DC Comics universe known for his pale skin, green hair, and a wide, sinister smile. Seals do not possess any human-like features or physical attributes resembling the Joker.