He is an overweight pink starfish who looks very similar to Patrick. He wears a cone-patterned skirt and a golden crown which is too small to properly fit him. He also has pimples all over his body, some of them sprouting hair. His appearance overall resembles strawberry ice cream in a cone topped with cherries.
In "The Nitwitting," his crown is replaced by a red propeller hat with a crown emblem on it.
He is a lot like Patrick, having a dimwitted nature, an example of this being when he does not know what year it is, which can imply he is a recluse. Because of their similar behavior, the two got along immediately and when competing they showed respect to one another. The Ice Cream King even accepted his defeat from Patrick and gave him a free ice cream though it was really one from his armpit.
Role in series
When Patrick arrives at the Ice Cream King's mansion, he is pulled inside by him. After some conversation, the Ice Cream King gives his glasses to Patrick so he can read the fine print on his coupon, which causes the Ice Cream King to initiate "the king's challenge" after realizing what is written.
The Ice Cream King and Patrick then participate in a hair growing contest, which the Ice Cream King loses after Patrick grows armpit hair. Later, the two fight each other in order to prove that Patrick can redeem his coupon. After the battle, the Ice Cream King honors Patrick's coupon and gives him an ice cream cone which he kept in his hairy armpit.
He appears as the president of the Empty Head Society. At first he accepts SpongeBob to join the society, but when SpongeBob says "maybe their pockets were full" during the nitwitting, he tells SpongeBob he does not fit in his society and kicks him out.