Bumblebee is the "young yellow character" who was part of the first team of Autobots sent out to investigate the planet.
To sketch this, box in the many parts and keep all the details to the very end. The chest juts out and the arms are boxed in elongated forms joined at the elbow with screws and levers. Only the head is curved with strong contrasting colors of orange and black.
Step 2 -
Use shades of orange and yellow with a transparent fill tool. Finally draw the darks with greys and black.
Use the line tool for self colored outlines. Bumblebee is ready to go!