It is in the shape of a bombshell which has a pale yellow sign with a blue border with the words "Atomic Flounder's Home" in red text. It has two windows, a smokestack, and a large window with a atom on it.
Role in comic
The Atomic Flounder's home appears as the first stop when SpongeBob, Patrick, and Barnacle Boy think that Mermaid Man has been kidnapped. Inside, Man Ray and the Atomic Flounder are planning a bank robbery. SpongeBob, Patrick, and Barnacle Boy enter, which causes Man Ray to drop his pointer. SpongeBob, Patrick, and Barnacle Boy then search for Mermaid Man until the Atomic Flounder tells SpongeBob that he is not there. The three then continue their search elsewhere.