Generic Morton Koopa Jr. Super Mario Bros Character Plush Toy Koopalings Stuffed Animal Soft Doll Figure 7" Perfect as a gift for all super mario bros fans. Morton Koopa Jr. (known as Big Mouth Koopa Jr. in the cartoons) is a member of the Koopalings, a seven-member clan loyal to Bowser. Soft Plush Toy. Stuffed Animal. Size 7".