Size Alteration

Eric Lee Harrison (Heroes)
Eric has the ability of size alteration. He can grow or shrink at will. He can shrink himself down to be small enough to hide under comic book racks and in the palm of Claire's hand. He can apparently shrink his clothes but is not capable of shrinking personal affects, such as the phone he was carrying.

Robert Ferguson (Heroes)
Ferguson has the ability to alter his own physical size.