They are all, like Spongebob Squarepants, “tadpole men” (a figure lacking a torso, with arms and legs – sometimes only hands and feet – attaching directly to a

They are all, like Spongebob Squarepants, “tadpole men” (a figure lacking a torso, with arms and legs – sometimes only hands and feet – attaching directly to a head) which is a common form in children’s drawings: https://www.nature.com/articles/254416a0 https://www.nature.com/articles/254416a0