The Firstborn Is Dead was created in 1984-11.

Yes. And according to this Scripture, where 'the invisible God' is one with the Holy Spirit, and the 'who' is Jesus, you can see he is the firstborn.

Colossians.1.15. Who is the image of the invisible God, the firstborn of every creature:

Jesus is also, 'the firstborn from the dead', as this Scripture shows.

Colossians 1.18. And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all [things] he might have the preeminence.

Tower of the Firstborn was created in 2004.

The tenth plague was the death of the firstborn, where God struck down all the firstborn in Egypt, from the firstborn of Pharaoh to the firstborn of the prisoner in the dungeon and even the firstborn of all the livestock. This plague finally convinced Pharaoh to let the Israelites leave Egypt.

The head; as the Scriptures say in Colossians 1.18.

"And he is the head of the body, the church: who is the beginning, the firstborn from the dead; that in all [things] he might have the preeminence."