"Boss Creature" is the only name for a bioform in concept art from Nelson "Dedos" Garcia and "Xochitl" of Next Level Games. The concept art found on this artist's profile also depicts another creature that is a "boss design for Metriod[sic]". This artwork was created for a Metroid prototype that was shelved when Nintendo asked Next Level Games to make Luigi's Mansion: Dark Moon.

The other boss design.

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