i always found incredibly hilarious that the only Batgirl who could take up the mantle of Batman for me was Cassandra Cain, not because i believe she is better than the other two at detective skills or martial arts or technology, but because she seems to be the ONLY ONE besides Red Hood whom understood that Batman was supossed to be an "intimidating figure" and her mask if anything is intimidating, like SILENT HILL INTIMIDATING XD