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|Species Origin||Bullet Bill|
| Targeting Ted|
Bull's-Eye Banzai Bill
Cat Bullet Bill
| Koopa Troop|
A Bull's-Eye Bill (previously known as a Missile Bill) is a type of Bullet Bill that flash red and have heat-seeking capacities. When fired from a Bill Blaster, these Bullet Bills will home towards Mario and friends.
There's other varieties of Bull's-Eye Bill that aren't flashing red; for example, Super Mario Sunshine introduces heat-seeking Bullet Bills that are purple, with only the tip colored red. Super Mario World 2: Yoshi's Island has red homing Bullet Bills that bite, and Super Mario 3D World introduces Cat Bullet Bills. There's also homing variations of Banzai Bills and Torpedo Teds that flash red as well.
Names in other languages
|Killer; same as Bullet Bill (Super Mario Bros. 3 and Yoshi's Island: Super Mario Advance 3)|
Killer (purple) (Super Mario Sunshine)
Search Killer (New Super Mario Bros. Wii onwards)
|Spanish (NOA)||Bill buscablancos||Target searcher Bill|
|Spanish (NOE)||Bill Bala Buscador||Searcher Bullet Bill|
|French||Auto Bill Balle||Auto Bullet Bill|
|Italian||Pallottolo Segugio||Sleuth Bullet|
|Portuguese||Busca Bill||Search Bill|