There's no single "weakest" Darth, as it depends on interpretation, but contenders often cited are Darth Maleval (killed by a trooper surprise attack despite Force-sensing skills), Darth Baras (relied on apprentices, defeated by his own), and sometimes Darth Maul or Count Dooku (Darth Tyranus) for their perceived failures or leniency, though both were formidable fighters. Many consider figures from games like SWTOR, such as Darth Nox (initially) or Maleval, as weak due to their lack of prominent feats or ignominious ends.
Darth Maul was stronger than Obi Wan, he proved that when he killed Qui-Gon but he was over primed and traded being a showman for his life. Another contender for the weakest Sith could be Count Dooku, or has he's also known Darth Tyranus.
The canon answer is that yes, Vader is much stronger than Anakin ever was. But he also is much less strong than what suitless Anakin would have become. He lost his potential, so to speak, but still became much more powerful.
Darth Vectivus. He basically got all the power he wanted and then retired to live with his family and friends and died peacefully, none of the Sith backstabbing. Vergere is potentially another (although I'm still pissed at the retcon of her being Sith).
One of the most controversial and divisive characters in the Star Wars saga, Jar Jar Binks is often cited as the weakest Jedi of all time.
I genuinely believe ahsoka was one of yoda's favourite Jedi ever!!!
The clone commando RC-1136, known as Darman Skirata, got Jedi Knight Etain Tur-Mukan pregnant during the Clone Wars, resulting in their son, Venku Skirata, a Force-sensitive child born outside the Jedi Code's restrictions. Their forbidden relationship and child's birth were detailed in the Republic Commando novels, highlighting the complexities of clone troopers' development and the strictures of the Jedi Order, as Etain was killed shortly after Order 66 while protecting her family.
Luke's discipline and commitment to the Jedi way make him more powerful than Anakin in their primes.
Most of it is centered around Anakin Skywalker, whom conventional wisdom would suggest is Star Wars' most tragic character. Anakin brings all that bad juju on himself though, so it's hard to feel overly bad for him. He chooses his bed and he gets to writhe in it, limbless and burnt, like an overcooked hot dog.
DARTH SION: THE IMMORTAL SITH LORD WHO MASTERED PAIN AND DEATH.
The saddest Star Wars deaths often involve poignant sacrifice, broken relationships, or innocent lives lost, with fan favorites including Kanan Jarrus (heroic sacrifice for his family), Duchess Satine (Obi-Wan's lost love, brutally killed by Maul), Clone Trooper 99 (innocent loyalty and tragic end), Tech (sacrifice for his squad), Padmé Amidala (heartbreak and loss of hope), and Han Solo (fatherly tragedy). These deaths resonate due to their emotional impact, the characters' potential, or the deep impact on other heroes.
Baras gained a great deal of weight -- becoming one of the fattest Sith Lords -- lost his hair, and took to wearing a mask. His dark side degradation and aging led to his skin becoming pallid and wrinkled, his eyes also changed color from a dark brown to red.
It's pretty clear that Dooku is meant to be a step above Maul. The only edge Maul has is durability and raw explosive physicality due to being much younger but it's not something Dooku wouldn't handle IMO. If Episode 1 Obi and Season 7 Ahsoka can outplay Maul then what hope does he have against Dooku?
In canon it was Kirak Infil'a , Cere Junda, Obi-Wan and Lord Momin . All messed him up quite badly with Kirak winning round 1 but losing round 2 and Momin cutting off his arm. Obi-Wan actually beat Vader. In Legends it was Shaa Koon, An'ya Kuro, a clone of Maul and Galen Marek.
In Star Wars lore, Order 37 was a grim Clone Trooper contingency plan to capture a wanted individual (often a Jedi) by taking a civilian population hostage, locking down the area, and threatening mass execution if the target wasn't surrendered, making it a horrific tactic used by the Empire to force Jedi compliance. It was considered more brutal than Order 66 because it targeted civilians directly, forcing Jedi to often turn themselves in to save innocent lives, as seen on planets like Bellassa.
Revenge of the Sith
Palpatine explains that Plagueis was so powerful and wise, he had mastered the dark side of the Force to such an extent that he could cheat death (mostly saving people he cared about from death) and create life; unnatural abilities which are unknown to the Jedi.
Best Jedi Ever
Anakin Skywalker at Max potential during the Mortis Arc of the Clone Wars who literally subdued The Son and The Daughter who are basically the Light and Dark Side itself. No other Jedi or Sith has even come close to a feat like that in the entire series.
Padmé didn't wear bras (or underwear) in Star Wars because director George Lucas famously told Carrie Fisher (Princess Leia) there was "no underwear in space," a rule extended to other characters like Padmé, suggesting a sci-fi lack of undergarments for comfort or visual reasons, though Carrie Fisher found the rule odd and compared it to Padmé's frequent costume changes, as cited in Wookieepedia and Reddit. While Leia famously went braless under her white robes (using gaffer tape instead), Padmé's elaborate outfits often made bras impractical or unnecessary for the desired look.
Anakin and Padmé share their first kiss.