Answer the question at the end by quoting:

Kevin Sydney is a fictional character appearing in American comic books published by Marvel Comics. The Changeling has been depicted as a member of the X-Men. Created by writer Roy Thomas and artist Werner Roth, the character first appeared in The X-Men #35 (August 1967). Kevin Sydney first appeared as Changeling, a mutant shapeshifter.
Kevin Sydney is a mutant metamorph with the ability to alter his physical appearance and voice at will to resemble that of any person he chooses. His power could also transform the appearance of his costume as well, which was made of unstable molecules. Morph's mutation to shape-shift has also made it so that his body is a Play-doh-like substance and he can reattach limbs after they have been severed. He has limited telepathic abilities, which (in the original timeline) were enhanced by Professor X. As a side effect, he also gained limited telekinetic abilities. Upon choosing to work together and share his body with the energy mutant Proteus, Morph's powers appear to be amplified, at least enough to defeat a self-proclaimed god. Whether the two have access to Proteus' reality changing abilities has yet to be determined. He has also stated that his mutation gives him a high metabolism and makes him very hormonal. In Exiles #33 Sasquatch said she was never able to detect a scent on Morph and Sabretooth stated that while hunting Proteus in Morph's body, Morph stands out like a sore thumb in a crowd of "normal" people to Sabretooth's senses regardless of his form. It also appears he has the ability to fly as demonstrated in Exiles #27. Due to his shapeshifting ability he does not wear any actual clothing, and he takes joy in pointing this out. Kevin Sydney is a skilled actor, and a highly trained and efficient organizer of subversive activities. He carried various advanced weaponry of alien Siri design belonging to Factor Three, including a ray gun carried in a holster at his side. Though Morph is a prankster who downplays his intelligence, he is deceptively smart. He has a Master's degree in computer engineering, which he earned at Xavier's Institute.

Did he ever lose any of his powers?

Answer the question at the end by quoting:

Steel (John Henry Irons), also known as the Man of Steel, is a fictional character, a superhero in the DC Universe. Introduced in 1993 as one of several replacements for the then-deceased Superman, Steel continued to be an independent superhero after his inspiration's resurrection. He received his own ongoing series which saw him move from Metropolis to Washington, D.C. and join the Justice League of America in Grant Morrison's JLA. He later mentored his niece Natasha who became a superheroine herself.
In 1997, a feature film was produced based on this version of the character. The film Steel stars professional basketball player Shaquille O'Neal in the title role and Judd Nelson as a new villain named Nathaniel Burke. The film was originally designed to be a spin-off of the new Superman film that used the "Death of Superman" storyline that first introduced the character in the comics. The project languished in development hell for so long the spinoff moved forward without the film it was to be attached to. The movie (released on August 15) was considered a flop both critically and financially. Steel was produced for an estimated $16,000,000 but grossed $1,686,429 at the box office. A very young John Henry Irons appears in the animated film Justice League: The New Frontier reading a comic book nearby the gravestone of the "DC: The New Frontier" version of John Wilson, also known as John Henry, who is reportedly killed in the film. John Henry Irons appears in Justice League: Throne of Atlantis, voiced by Khary Payton. He is seen wielding a hammer and is seen defending a colleague from an Atlantean before he is saved by Superman. An alternate universe version of John Henry Irons appears in Justice League: Gods and Monsters, voiced again by Khary Payton. He is depicted as a scientist who is a member of LexCorp's "Project Fair Play." John was discussing with the other scientists involved (consisting of Will Magnus, Michael Holt, Karen Beecher, Pat Dugan, Kimiyo Hoshi, Emil Hamilton, Thomas Morrow, and Stephen Shin) before they are all killed by the Metal Men with the exception of Will Magnus (who secretly orchestrated the attack).

Who is Steel's main enemy?

Judd Nelson as a new villain named Nathaniel Burke.

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Wladyslaw Gomulka (Polish: [vwa'diswaf go'muwka]; 6 February 1905 - 1 September 1982) was a Polish communist politician. He was the de facto leader of post-war Poland until 1948. Following the Polish October he became leader again from 1956 to 1970. Gomulka was initially very popular for his reforms; his seeking a "Polish way to socialism"; and giving rise to the period known as "Gomulka's thaw".
In the fall of 1943, the PPR leadership began discussing the creation of a Polish quasi-parliamentary, communist-led body, to be named the State National Council (Krajowa Rada Narodowa, KRN). After the Battle of Kursk the expectation was of a Soviet victory and liberation of Poland and the PPR wanted to be ready to assume power. Gomulka came up with the idea of a national council and imposed his point of view on the rest of the leadership. The PPR intended to obtain consent from the Cominterm leader and their Soviet contact Georgi Dimitrov. However, in November the Gestapo arrested Finder and Malgorzata Fornalska, who possessed the secret codes for communication with Moscow and the Soviet response remained unknown. In the absence of Finder, on 23 November Gomulka was elected general secretary (chief) of the PPR and Bierut joined the three-person inner leadership. The founding meeting of the State National Council took place in the late evening of 31 December 1943. The new body's chairman Bierut was becoming Gomulka's main rival. In mid-January 1944 Dimitrov was finally informed of the KRN's existence, which surprised both him and the Polish communist leaders in Moscow, increasingly led by Jakub Berman, who had other, competing ideas concerning the establishment of a Polish communist ruling party and government. Gomulka felt that the Polish communists in occupied Poland had a better understanding of Polish realities than their brethren in Moscow and that the State National Council should determine the shape of the future executive government of Poland. Nevertheless, to gain a Soviet approval and to clear any misunderstandings a KRN delegation left Warsaw in mid-March heading for Moscow, where it arrived two months later. By that time Stalin concluded that the existence of the KRN was a positive development and the Poles arriving from Warsaw were received and greeted by him and other Soviet dignitaries. The Union of Polish Patriots and the Central Bureau of Polish Communists in Moscow were now under pressure to recognize the primacy of the PPR, the KRN and Wladyslaw Gomulka, which they ultimately did only in mid-July. On 20 July, the Soviet forces under Marshal Konstantin Rokossovsky forced their way across the Bug River and on that same day the combined meeting of Polish communists from the Moscow and Warsaw factions finalized the arrangements regarding the establishment (on 21 July) of the Polish Committee of National Liberation (PKWN), a temporary government headed by Edward Osobka-Morawski, a socialist allied with the communists. Gomulka and other PPR leaders left Warsaw and headed for the Soviet-controlled territory, arriving in Lublin on 1 August, the day the Warsaw Uprising erupted in the Polish capital.

did he oppose gomulka?
Bierut was becoming Gomulka's main rival.