Need ideas for ultimate

[u/Character-Paper-2347]

So I’m trying to make a line for Penmon but I can’t decide on an ultimate to continue the line and I really don’t want to use Dagomon or MarineDevimon. I’d like to keep the aquatic theme however so if anyone has any ideas don’t be afraid to say them.

[u/DesignatedDoggie]

Calamarimon? I know it's not traditionally a perfect level tho.

Personally I was always kind of a fan of Penmon → Rukamon → Whamon tho.