Dee Dee Blasco was the assistant of Professor Hobbes.

Dee Dee was a second-year student; she wrote a paper on the Lost Moon of Poosh. Professor Hobbes read it and liked it so much he decided to take her on his research for the holidays (so he said). They ended up on Midnight, where while riding a Crusader Tours trip to the Sapphire Waterfall, when the bus was struck and something attacked and possessed Sky Silvestry. While on the trip, Hobbes insulted Dee Dee, claiming she was "average at best".

Dee Dee and the hostess were the only ones on the bus who were against throwing the Tenth Doctor out. (TV: Midnight)

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