Top row:
Direct: Direct flash on camera
Bounce: Bounce flash no diffuser
Cut: Milky plastic diffuser with bottom removed (Delmonte baby juice bottle)
Row 2:
Solid: Milky plastic diffuser with bottom intact (Delmonte baby juice bottle)
BBQ: Clear, thin plastic bottle (Barbecue sauce bottle)
Syrup: Clear bottle with silver reflector on back (Pancake syrup bottle)
Row 3:
Paper: Plain white paper reflector behind flash
Bubble: Bubble wrap bag

Except for the direct flash image, all were taken with the flash head pointed up.
For comparison note shadows from ceiling light fixture, teddy bear and overall light in room. A separate image (next) shows crops to face.