From fastest to slowest, the means of movement are ranked as follows :
No, this joke is also unfunny. Get over with it.
PAL - Mainly because of defects on Swords damage and Offence Heart in NTSC. Although, it still may have potential because of how Quick Heart works and the fact that Dante can use Laevateinn and Dooms Day continuously. This is also the same for Lucia Divine Anger.
It's not necessary until you reach 45:xx meta with Dante. The main purpose of that route is to have enough currency to afford extra devil star that you can use it against Plutonian. Lucia never uses that in her run because she fight enemies a lot less than Dante. She also doesn't have a wave that is similar to Mission 7 Dante in Auto-Scroller train room.
Because New Game+ is completely trivialized regardless of the difficulty. That's why Trish doesn't have any particular approach aside from a choice between using Light Rays or Round Trip II.
Because, it's not the way that the game intends you to play it. In DMC1, you have a choice to select difficulty after you pick New Game in the Main Menu. DMC2 does not have this option.
Cheat code, so it's not actually a super costume. This code is exclusive to PAL. In HD Collection, language settings must be changed to European country in order to use the Infinite DT code.