sam murphy a.k.a talltressa is a 49 foot giant like her mom ginormica and her uncles are dr.cocroach the missing link and b.o.b and her house pet is insectosaurus she was created by susan's dna by the military to created talltressa but susan named her samantha or sam 18 years past since then and she's a alien butt kicker and she is also blake's girlfriend she and blake are both created by weird dna so they were both made for each other