Complex sentence: The "TaleSpin" DVD release of Volume 1 verified it in the hearing-impaired English subtitles as being "Jock", due to his thick Scottish burr that made his name sound like it was "Jacques" instead.
Split into simpler sentences: The "TaleSpin" DVD release of Volume 1 verified his name in the hearing-impaired English subtitles as being "Jock". Due to his thick Scottish burr, his name sounded like it was "Jacques" instead.