Sandy's Sisters, Dunehilda and Maureen, are characters from Bubble Guppies. They appear in the episodes The Beach Ball! and Good Hair Day!. In "The Beach Ball", They didn't bother to help Sandy with the coconut drinks she had to prepare for the ball, they teased her instead. After losing the contest for Queen of the Beach to Molly and Sandy, they apologized for their actions.
They are both red lobsters with brown hair.
They both have light brown highlights.
Their wear two-piece bathing suits that are pink and purple.
They both speak with a valley girl accent.
Dunehilda has light brown hair, Maureen has dark brown hair.
Dunehida's hair bang goes frontwards, Maureen's goes backwards,
Maureen wears a hair accessory, Dunehilda does not.
Dunehilda is a bit taller and skinnier than Maureen.
The design of Dunehilda's bathing suit is similar to Sandy's, Maureen's bating suit is closer to a bikini.
Dunehilda's bathing suit has a wavy pattern while Maureen's has polka dots.
Dunehida has a lower pitched speaking voice, Maureen has a higher pitched one.