Suzanne and the Team have learned alot about Blu in the time since he was created, and he has shown he is equally as fast a learner himself! In the few weeks he was alive he already was able to read at a 10th grade reading level and had grown from the about 8 inch form he started out as to a respectable 5'9" tall being.
Suzane and Allen Miller( Who Blu considers his Father due to it being his formula that brought him to life) were intrested in just how much Blu could multiply his body