Hand-drawn Zombie Warning

1200 × 750

Zombie Caution Sign — Brown

1280 × 1024

Zombie Caution Sign — Brown, Warning, Illustration, Caution Text

1440 × 1097

Zombie and Person Running — Black, Warning

1280 × 960

Zombies May Be Flammable

1360 × 768

Zombie Chasing Person — Black

1280 × 800

Man Kicking Another Man — Orange, Cautionary

2280 × 1888

Stick Figure Falling — Yellow

1920 × 1200

Man Kicking Another Man — Yellow, Warning

1920 × 1080

Biohazard Symbol — Yellow, Warning, Vector Art

1600 × 1200

Biohazard Symbol — Black, Ominous, Vector Art, White

1280 × 1024

Erwin Schrödinger Portrait — Red, Warning, Vector Art

1440 × 900