They deduce them to be members of Vaglass .
They crash through the window before transforming into Blue Buster and Yellow Buster , respectively , to fight two of the energy thieves , revealed to be Vaglass 's android foot soldiers called Buglers .
Deducing them to be members of Vaglass , they crash through the window before transforming into Blue Buster and Yellow Buster , respectively , to fight two of the energy thieves , revealed to be Vaglass 's android foot soldiers called Buglers .