Cait Griffith on Instagram: "What my dad doesn't realize is the key Reasons for Sandy's Presence in SpongeBob: Scientist & Inventor: Sandy is a brilliant scientist from Houston, Texas, who moved to Bikini Bottom to conduct research and create groundbreaking inventions, funded by her primate benefactors. Land Animal in Sea: As a mammal, she needs air, so she built her air-filled Treedome and wears a special water helmet/suit to explore the ocean without getting wet. Adventure & Culture: She loves