All 71 Canon Ben 10 Aliens (however Ben Prime only used 63 Aliens

Why didn't the Ben 10 os team not used these aliens more : r/Ben10

Who would win, pre-alien X Ben 10 or the Mask? - Quora

The Michigan Lake Triangle. Was it aliens? – The Midnight Train Podcast – Podcast – Podtail

Why doesn't Ben use his original 10 aliens in Omniverse at all? - Quora

Who would win in a fight, Alien X (Ben 10) or Lucifer Morningstar (DC Comics)? - Quora

I can see why Malware hates him so much now : r/Ben10

My headcanon timeline, not complete or entirely canon accurate, but a rough outline of how I would tie it together. : r/Ben10

Why doesn't Ben use his original 10 aliens in Omniverse at all? - Quora

All 71 Canon Ben 10 Aliens (however Ben Prime only used 63 Aliens of all these in Classic Continuity). : r/Ben10

Gwen Tennyson, Ben 10 Wiki