|Rubber ROBERT / Inside OTTO|
|Series(s)||Old Series 14|
|Card Number(s)||571a / 5731b|
Rubber ROBERT or Inside OTTO is card 571a/571b in Old Series 14.
The card depicts a boy stretching his lips long and wide.
This card might represent how some people have stretchy skin, the b name is a pun on "inside out" mainly because the character's mouth is stretched, and you can see the inside.