"Apollo choke" is the 10th Planet term for an arm triangle from bottom half guard:

Apollo Choke
The Apollo choke is an arm triangle done when holding a lockdown half guard.

• https://jiujitsulegacy.com/bjj-lifestyle/10th-planet-jiu-jitsu-terminology/

• https://www.ultimatejujitsu.com/forum/695/apollo-choke/
• https://www.10thplanetjj.com/threads/20753-Apollo-choke

There are many instructional videos on this position:

• Lockdown 101 - Apollo Series - Jaws of Life to Apollo Control
• Arm Triangle Choke from Bottom Half Guard | MMA Submissions

As for why it is called this:

The main reason that Bravo began using different Jiu Jitsu terminology was for coaching purposes. Only he and his student know the instructions he’s given during a fight or match.

"Apollo choke" is the 10th Planet term for an arm triangle from bottom half guard:^{1 2}

Apollo Choke
The Apollo choke is an arm triangle done when holding a lockdown half guard.

• https://jiujitsulegacy.com/bjj-lifestyle/10th-planet-jiu-jitsu-terminology/

There are many instructional videos on this position e.g:

• Lockdown 101 - Apollo Series - Jaws of Life to Apollo Control
• Arm Triangle Choke from Bottom Half Guard | MMA Submissions

As for why it is called this:

The main reason that Bravo began using different Jiu Jitsu terminology was for coaching purposes. Only he and his student know the instructions he’s given during a fight or match.

As the video you linked shows, an "Apollo choke" appears to be an arm triangle from bottom half guard:

• https://www.ultimatejujitsu.com/forum/695/apollo-choke/
• https://www.10thplanetjj.com/threads/20753-Apollo-choke
• Arm Triangle Choke from Bottom Half Guard | MMA Submissions

"Apollo choke" is the 10th Planet term for an arm triangle from bottom half guard:

Apollo Choke
The Apollo choke is an arm triangle done when holding a lockdown half guard.

• https://jiujitsulegacy.com/bjj-lifestyle/10th-planet-jiu-jitsu-terminology/

• https://www.ultimatejujitsu.com/forum/695/apollo-choke/
• https://www.10thplanetjj.com/threads/20753-Apollo-choke

There are many instructional videos on this position:

• Lockdown 101 - Apollo Series - Jaws of Life to Apollo Control
• Arm Triangle Choke from Bottom Half Guard | MMA Submissions

As for why it is called this:

The main reason that Bravo began using different Jiu Jitsu terminology was for coaching purposes. Only he and his student know the instructions he’s given during a fight or match.