As a proud prospective and self-proclaimed scientist, Test Tube devotes her life to the education of science. Test Tube enjoys explaining scientific terms and facts. Along with her great intelligence, Test Tube is an impressive and masterful engineer.  When encountering others' lack of intelligence or sensibility, Test Tube can become incredibly frustrated. Occasionally, Test Tube can also be very witless or somewhat silly. Test Tube is also the mother of Bot, with Fan being the father.