Beetle 05

Beetle 05 was a white Rhinoceros Beetle made by the Kakine Teitoku using his Dark Matter.

Originally resembling a robotic construct created by Kakine to delegate his work, due to the effects of Takitsubo Rikou's and Beetle 05 wresting away the essence that makes Kakine Teitoku through his own will, Beetle 05 is now Kakine Teitoku, though with a significantly different character than the original.

(Source: Toaru Majutsu no Index Wiki}