<Li> Lucky: Lucky is an actual dog introduced in season 3 as the Goldberg family pet . </Li> <Li> Shayne Topp as Matt Bradley; a punk rocker - turned - Deadhead who becomes the newest member of the JTP, over Barry's initial objections . Adult Adam's voice - over later confides that Matt would become Barry's closest friend after high school . (season 4 - present) </Li> <Li> Rowan Blanchard as Jackie Geary, Adam's girlfriend who shares his love of science fiction . (season 4 - present). </Li> <Li> Alison Rich as Valley Erica, Erica's Valley girl roommate at college; the two have the same first name, but decidedly different personalities . (season 5) </Li>

Who plays adam's girlfriend on the goldbergs