[Excuse this tangent of a rant but when I see that statement, especially now I CRINGE.]
Saying Ness & Lucas are clones is like trying to call a knife and a scissor the same thing. Semi-clones is still inaccurate b/c they literally only share like 6-7 moves (U-air, F-Smash, the specials and possibly the Final Smash cause it wasn't shown here). Now, of those moves, how many of those are ONLY a Speed vs. power difference? That's U-Air, PK Flash/Freeze and F-Smash (Lucas has faster speed). The specials are similar, and some even share the same purpose, but not the same and are different enough.
Lucas' PK Fire always goes perfectly sideways and pushes the opponent away; his way of spacing. Ness' PK Fire traps and goes diagonally downward when used in midair; for a setup.
Lucas' PKT is slower, but goes through hurtboxes for the whole duration of the move, can control with less need for room he's launched faster and hits several times along with gaining more distance (and let us hope he can do the PKT2 rebound). Ness' PKT disappears after the initial frames when he hits something, requires more room to turn and gets an EXTREMELY powerful blow when he hits something, but distance gets reduced for him.
I don't know how the Magnet is gonna be this game for Lucas, b/c Ness' got improved in everyway (at least when I compare it to his Magnet custom) - Ness has less lag and more healing power. I'm taking it that Lucas' would actually KO like it could in Brawl... Don't know if they'd make the healing on his even more compared to Ness considering he heals 1.6x the damage (but with a 30% cap). o.o
And Flash/Freeze is indeed a Power/Speed difference, but the Freeze can allow some neat follow-ups with Lucas (possibly a Nair or a PKT2) while Flash just outright KOs. They're also good at eating shields away.
If you still think so, then I guess "Robin & Ness are clones cause they have magic attacks and can use Electric & Fire attacks and EL FIRE IS TOO SIMILAR TO PK FIRE".
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