Beast Boy

Beast Boy was an individual who once visited the Land of Ooo

Biography
While in the Land of Ooo, Beast Boy declared himself "the fantastic beas-" before being captured by Newt Scamander, who put him inside his briefcase, with Beast Boy struggling to get out. (WC: New Adventures Await!)

Behind the scenes
The version of Beast Boy who appears in LEGO Dimensions and New Adventures Await! originates from Teen Titans Go!.