The third spot went to Romer, the criticism of the judges evidently being all it takes to send even a top contender over the edge.

They and Seno got a nice parting gift though; the judges pointed out that the JabbaWockeeZ were huge stars in spite of not having even performed live on AGT, and when Cannon asked how Romer felt about being in the semifinals, she said of the Strange Familiar and Luigi Seno that they were the two that I was most afraid of

Source: http://www.examiner.com/x-12169-Americas-Got-Talent-Examiner~y2010m7d28-Quarter-finals-round-3-the-results