• Doris is a genus of sea slugs, specifically dorid nudibranchs. These animals are marine gastropod molluscs in the family Dorididae.

• Doris odhneri is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Dorididae.

• It is known by many common names, such as: giant white nudibranch, giant white dorid, and white-knight nudibranch.

• It is also often referred to as Odhner's droid to honour Nils Hjalmar Odhner, the scientist it is named after.