green light bulb tree

1600 × 1200

Spiral light bulb design

1920 × 1080

close-up of a light bulb

4272 × 2848

Light bulb at sunset

1200 × 960

Casper the Friendly Ghost

1024 × 768

Switch It Off campaign

1920 × 1080

cartoon koala character

1280 × 1024

cartoon dog character

1024 × 768

cartoon turtle character

1280 × 1024

green cartoon crocodile character

1280 × 1024

blue cartoon snail character

1920 × 1200

cartoon character with shadow

1536 × 2048

Red cartoon bear character

1280 × 1024

sketch of a winged character

1024 × 768

robot and dog character

1024 × 768

chibi character in a hat

1680 × 1050

black character with skull emblem

1440 × 900

robot chameleon character

1024 × 768

robot character with green eyes

1024 × 768

frog character with rocket

1024 × 768