It's a joke upstairs, isn't it? Gray Altman is 6 meters. I remember when I was in primary school, he was the biggest Altman. The first generation, Jack, Sai Wen and Ace were all 4 meters, and the monsters that Gray Altman hit were all relatively large. Goldis's initial form was 83 meters, and it was 17 meters after strengthening, but this was not the biggest monster that Gray hit. The biggest monster was a UFO monster. The plant computer monster is not very powerful, but the two monsters in the last two episodes of Gray Altman are really powerful.

As for the monster, the bigger it is, the more useful it is. In my memory, the biggest monster in Altman's history was Vacuumon. This monster swallowed the Big Dipper, but Jack Altman easily cut its belly open from the inside.

you can go to the Olympic league to check the monster information, and many Altmen have it.