I don't know anything about destiny, but I do know the only interaction I had with it was THIS song and I really like it a lot. I don't know how I found it as a kid, but it sounds really nice.
I only got so far into Destiny before giving up due to the disappointment of them largely giving up on Shinn and switching back to Kira/Athrun. He started from an interesting position as someone orphaned as a direct cause of something that happens in Seed who directly lays blame on Kira's side (from what I remember) because of believing they were the cause of the fighting to erupt. I really wanted to see him develop from an angry traumatised (literally saw the blown up corpses of his mum/dad/little sister and carries around said sisters phone) 16 year old over the course of the series through mentorship from Athrun, instead he gets tossed aside to villains so Kira can shine.
The art style reminds me of Code Geass, so I'm kind of wandering if the producers of that got to make Gundam Seed Destiny tbh.
The artsyle when it comes to the character designs is specifically Hisashi Hirai's unique look, though a lot of people don't like his designs I do. Does suffer a bit from sameface (or Hirai face) though I think his newer stuff like Majestic Prince or Fafner's later season really show an improvement.
I've once again reminded myself that I need to watch the later seasons of Fafner for my boys Kazuki and Soushi.
It's the long lanky boys and eye's that's making the connection for me. Speaking of which, IIII need to finish Code Geass one day. I'm still very pissed years later I got the ending spoiled for me and the whole Euphie thing spoiled when I was in middle school and it's made it hard for me to go back to watch it even if I like Code Geass as a whole.
I'll go check what the heck the place I use has since there was 5 pages of gundam stuff to go through.
I think even with the ending being spoiled it's worth watching to see
how it got to that point.
Speaking of which, have you played any of the games? I got just about every game station under the sun except the newer shit due to my parents and I can emulate a PS2, Wii, and gamecube well enough on my computer, No surprise i'm interested in the Journey to Jaburo one, but if there's any other ones you recommend I'm sure I can find it on eBay or some shit. My brother owns Dynasty Warriors Gundam 3, but no clue whats in there.
I've bought a few, but haven't played a bunch since I've not played an actual game in a while. The ones I do have are: DW Gundam (2, 3, Reborn) - I played the crap out of 3 since it was a fun button masher and I liked the character interactions, never got around to playing 2 or that much of Reborn. Heard 2 is really good story wise.
Gundam Breaker (1, 2, 3) - Very fun make your own OC gunpla game with the 3rd being the best of the lot, 2 is fine but 1 is literally unplayable now I think because you needed online to actually complete the last several missions as the team ai was shit and it was really restrictive on what parts you could actually use to make a half decent suit. If you can find the Break edition of the 3rd it comes with all the DLC and I think there's a SEA release of it that comes in English (the one I have).
Gundam Extreme VS - Suck at it, but fun to dick around as a party game with friends. Contains an
opening by Linkin Park. I'm somewhat interested in picking up some of the later games, but I suck at fighting games and would have no fun online.
Gundam 0081 - I sucked super hard and couldn't get past the janky ass controls, made me realize I'm not that good at video games.

Gundam Battle Operations (1 and 2) - 1st is long dead, but the second is still around if you want a f2p team based shooter that swings between amazing matches and blood boiling rage. All the suits are early UC with them just hitting ZZ (I think).
SRW V - It has Gundam in it so it technically counts, haven't got around to actually playing it yet. Comes in English even if the translations are somewhat wonky.
Everything but SRW V, Gundam Breaker 3, and Gundam Battle Operations 2 are ps3 with those 3 being ps4.