Robert Downey Jr. hilariously thanked his “terrible childhood” as he picked up his first Oscar on Sunday (10.03.24). The 58-year-old actor – who was previously shortlisted for his performances in ‘Chaplin’ and ‘Tropic Thunder’ -was recognised with the Best Performance by an Actor in a Supporting Role accolade for his work on ‘Oppenheimer’ and he also paid tribute to his wife Susan Downey in a speech that left the audience at Los Angeles’ Dolby Theatre laughing. He said: “I’d like to thank my terrible childhood and the Academy. In that order. “I’d like to thank my veterinarian, I mean wife, Sus…