Tubatron

Tubatron is  a  tuba-themed  Robotron  created  by  Scrozzle  from  a  tuba   Tubatron  made  his  first  appearance  in  the  SML  Movie:  Jeffy's  Tuba! where he  was  created  by Scrozzle  when  he  infected  Jeffy's  tuba  and  he  sends  him  to  destroy  the  Beast  Morphers  Rangers  but  the  Beast  Morphers  Rangers  are  already  here  when  Beast  Morphers  Rangers  tries  to  battle  Tubatron  but  Tubatron  uses  his  sonic  soundwave  blasts  to  attack  them  but  he  got  defeated  and  destroyed  by  Lizzy  Lightshine's  horn  zap  then  Tubatron  was  destroyed  for  good