Mary Lou Larue, and the once silent JoJo, the mayor's son, who breaks Whoville's sound barrier in the dust speck that allowed the animals in the Jungle of Nool to hear the Whos. LaRue), the young and very small Cindy Lou Who, the brave Euchariah Who, who foiled the Grinch on Grinch Night in the cartoon with the same title by overcoming his fears, Ned's wife Sally O'Malley, Dr. Hoovey (whose role in the cartoon is split between Ned and Dr. The most notable Whos within Whoville are its mayor Ned McDodd, who is the first Who to gain contact with the elephant Horton, Dr. One Who, Sergeant Samuel McPherson also appears to look almost entirely human in his design, as his hair is hidden by his helmet. They also wear robes with a button on their chests, instead of having their signature colorful fur on their bodies, and they have regular human noses instead of their signature snouts. In Grinch Night, the Whos were designed to look more human than in other appearances, with the exception of their hair (for most of the Whos). In Horton Hears a Who they also seem to be incredibly flexible, and durable, surviving the near destruction of their city, with no known casualties. The Whos appear to have an incredible sense of balance, as observed by Whoville's bizarre architecture and JoJo's dexterity, among other things. Their eye color tends to match the dominant color of their fur. They also appear to be slightly elastic, as demonstrated by Mayor McDodd and his son JoJo. And Horton knows the only way for him to save the Whos is for the Whos to make. Overall, they bear a resemblance to the Grinch's TV design. For many of us, it is the tenor and theme of a Dr. Their feet are toeless and pointed, and they have four fingers on each hand.

They are furry, have short legs, long arms, a long pear-shaped torso, and a vaguely feline face. In the Horton Hears a Who film, the Whos are slightly more simian in appearance. In the books and cartoons, the Whos are notably humanlike, and, apart from their size (which can vary greatly), snouts and button-like noses, would pass as humans easily.

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