Michael (Supergirl Meets E.T.)

A boy with blonde hair was a part of the 'caring Earth family' that took E.T. in. (WC: Supergirl Meets E.T.)

Behind the scenes
Although he went unnamed in WC: Supergirl Meets E.T., he was named as "Michael" in both E.T. the Extra-Terrestrial and NOTVALID: LEGO Dimensions. He was the son of Mary and the brother of Gertie and Elliott.