All the secret deathmatch characters in Jet Force are unlocked by touching the secret Totems hidden throughout the game, except for the Cyborg Ant (see below) and the powered-up versions of Vela, Juno and Lupus, which become available once you have received your powers in the single player mode.

Yellow Ant
Location: Goldwood
Type: Totem Pole
Character: Vela
Requirements: None

Blue Ant
Location: SS Anubis, Generator Room 2F
Type: Totem Pole
Character: Any
Requirements: None

Red Ant
Location: Ichor, Military Base
Type: Totem Pole
Character: Juno
Requirements: None

Green Ant
Location: Spawn Ship, Cargo Sewer
Type: Totem Pole
Character: Any
Requirements: None

Male Tribal
Location: Sekhmet, Channel Area
Type: Totem Pole
Character: Lupus
Requirements: Magenta Key

Female Tribal
Location: Rith Essa, Mine
Type: Totem Pole
Character: Vela
Requirements: Mine Key

Zombie Termite
Location: Tawfret, Treehut
Type: Totem Pole
Character: Lupus
Requirements: None

Beetle Termite
Location: Tawfret, Tomb
Type: Totem Pole
Character: Vela
Requirements: None

Metallic Termite
Location: Sekhmet, Spiral Walkway (hover across)
Type: Totem Pole
Character: Lupus
Requirements: None

Purple Termite
Location: Mizar's Palace
Type: Totem Pole
Character: Juno
Requirements: None

Cyborg Ant
Location: N/A
Type: Floyd Mission Award
Character: Floyd
Requirements: Get an Expert Award on all Floyd Missions