Rudolf tries to defend against the truth serum by filling her head with nothing but pun jokes, but it all goes away when her trainer actually is there lol.

Applied trigonometry (and physics).

Alright, Rudolph's puns, even when using classic ones, are way too hard to explain.
Some of those might be badly translated, so please correct me if possible.

And I didn't understand the money pun at all.

Sigfried666 said:

Alright, Rudolph's puns, even when using classic ones, are way too hard to explain.
Some of those might be badly translated, so please correct me if possible.

And I didn't understand the money pun at all.

Okkanai/okkanee is Kanto/Tohoku/Hokkaido dialect for "scary".

NNescio said:

Okkanai/okkanee is Kanto/Tohoku/Hokkaido dialect for "scary".

お金はおっかねえ = Bucks gives the Shocks / Gold makes you Cold / Jitters by Tenders.

I dunno hahaha.