Majin Pocus runs the gauntlet

gets a sensu after every fight....

Nappa
Vegeta
Ginyu
Frieza (1st form)
Frieza (2nd)
Frieza (3rd)
Frieza (Initial Final Form)
Frieza (50%)
Frieza (100%)
SSJ Namek Son Goku
Mecha Frieza (100%)
SSJ Trunks (Trunks Saga)
SSJ Yardrat Son Goku
SSJ Android Saga Super Saiyans
Android 18
Piccolo (Fused with Kami)
Android 16
Semi Cell
USSJ Vegeta
50% MSSJ Son Goku

its REALLY hard to say with pui pui so i just stay out of it. this is what we know

pui pui 1 shotted yamu
pui pui was a champion on his home plannet
pui pui thought 10x gravity was boss (which it would be to anyone who never did gravity training/never been in different gravity training)
pui pui did take many shots from a vegeta in buu saga while he was very relaxed and not using much of his strength
pui pui was bobbidis stage 1 fighter, therefore stronger than his normal warriors
pui pui was most likley stronger than the supreme kai. the supreme kai feared him.

going by the evidence, he could be anywhere from under raditz level to semi cell or stronger depending on how you interperet the fight and by how strong you place vegetas base at the time

itscomplete speculation.