Red pentagram with dripping effect

1280 × 1024

Biohazard symbol on black background

1920 × 1080

Venom Symbol Logo — Black

1440 × 900

Green Biohazard Symbol — Dramatic

1024 × 768

Yin-yang Symbol — Black

1000 × 708

biohazard symbol on black

1280 × 1024

biohazard symbol on black

1280 × 1024

Silver Chain-link Symbol

1920 × 1280

Biological Hazard Symbol

1280 × 1024

glowing bull symbol

1920 × 1200

JSRF logo on black background

1680 × 1050

Red Superman Logo — Black

1280 × 960