4D Killer Combo (四次元殺法コンビ, Yojigen Sappō Konbi)
This team is formed of Black Hole and Pentagon, both of which are expert aerial chojin. It is not explained what brought them together, or why Black Hole changed allegiances, but they form a skilled team against the Muscle Brothers during the Dream Chojin Tag Arc. They remain a popular tag team among fans, with some merchandise released for them.
In the Dream Chojin Tag Arc, the 4D Killer Combo await the Muscle Brothers by standing on the ceiling above the first ring, and - as the Muscle Brothers enter - drop down upon them as a preemptive attack.  Kinnikuman strikes at Pentagon, who retaliates with a Flying Body Attack, but Kinnikuman throws him out of the ring when a 4D Warp is used (allowing Black Hole to suck Pentagon into his body). This counter allows Pentagon to appear behind Kinnikuman and strike him in the face with an Elbow Bat. 
Kinnikuman ignores Kinnikuman Great's attempt to tag in, despite bleeding profusely, and this allows Black Hole to swap places with Pentagon.  Black Hole throws Kinnikuman to the ropes; Kinnikuman Great reassures Kinnikuman they are equals, but Kinnikuman is determined to prove himself to what he considers his master. He still tags in Kinnikuman Great, despite his reservations, who uses a martial arts kick to attack Black Hole. They exchange several blows, but Kinnikuman Great temporarily incapacitates Black Hole with a Rolling Savate. 
The other teams leave their rings, so that they may watch the match.  Black Hole catches Kinnikuman Great off-guard and throws him to the ropes, in an attempt to engage in a German Suplex, but Kinnikuman Great counters with a Reverse Kick. Kinnikuman worries about loses the spotlight, as he starts to argue with Kinnikuman Great and trust breaks down, and this leads to the 4D Killer Combo gaining an advantage. As the 4D Combo use 4D Warp again, Great throws Kinnikuman out of the ring so that he may strike Pentagon midair.  This fatigues both Pentagon and Great.
Kinnikuman locks Black Hole in a Boston Crab, while Pentagon uses Chronos Change, which reverses their positions and allows Black Hole the upper hand. Each move Kinnikuman uses on Black Hole becomes countered with Pentagon's Chronos Change, and - as Great comes to the defence - Pentagon uses Time Stop to freeze Great and stop him with a Pile Driver. They stop Great with a 4D Cross.  Kinnikuman tries to counter with a White Hole, but Black Hole's body is now double-layered. 
Kinnikuman tries to fight alone, using a Body Slam on Pentagon, but Pentagon uses Chronos Change to switch Kinnikuman's place with Black Hole. 4D Combo tries to use a 4D Cross on Kinnikuman, but he counters with advice from the voice of Great. Kinnikuman forcibly spins the star on Pentagon's face, making him turn back time and enabling Kinnikuman to use a Pile Driver attack. Great tries to escape through Black Hole, grabbing his mask in the process, but Black Hole closes access to his dimension. 
Black Hole and Great fight within the dimension, and Great uses a Kinniku Buster to defeat Black Hole, while Kinnikuman uses the Kinniku Driver to defeat Pentagon. They combine their attacks into a Muscle Docking, which allows them to win the match. 
- Four Dimension Cross (四次元交差 Yojigen Kōsa)
- Pentagon drives his opponent into Black Hole's body
- Four Dimension Element Cross (四次元エレメント交差 Yojigen Eremento Kōsa)
- Four Dimension Warp (四次ワープ Yojigen Wāpu)
- Black Hole absorbs Pentagon into his body and warps him to different points of the arena
- Win/Loss Record