Jonathan Steel was the young and ambitious Assistant to Commander Feral. Steel had his sights set on Feral's job, but he had neither the patience to wait for his turn nor the experience needed for such an important position. During Dark Kat's plot to nuke Megakat City, Feral tried to sneak aboard the Doomsday Express, but got himself captured in the process. Rather than try to rescue him, the selfish Steel instead took over as commander, but Feral was saved by the SWAT Kats and Dark Kat defeated, and it is unknown if Steel was not despite seeming to have a change of heart and come looking for Feral in SWAT Kats Radical Squadron Season 1 Episode 3
He still held the position of Lieutenant Commander during the appearance of Madkat. Katzmer arrived at Enforcer Headquarters to report the robbery, but because Feral was in the middle of running off to save Mayor Manx, the old shopkeeper was instructed to see Steel.
Feral ended up as Madkat's third victim of revenge, and Steele quickly took over as commander yet again, ignoring poor Katzmer and making him wait all day despite nagging from the Enforcer Sergeant. He did little if anything to prevent Madkat from taking hostage Deputy Mayor Briggs, and tried to blame Enforcer Headquarters' destruction on the SWAT Kats. But after being set free by the vigilantes, Feral told Steel to shut up in SWAT Kats Radical Squadron Season 1 Episode 12.
He return to held the position of Lieutenant Commander to take Felina's Partner in syndication TV Movie The Return of SWAT Kats.
In Madkats and the SWAT Kats Season 1 Episode 11:Steel doing workout in gym for 3 months he turn into Muscular shape-like Ulysses Feral's Muscular Shape.
In Madkats and the SWAT Kats Season 1 Episode 12:at the Board of Enforcers.they been choose Rex Shard by Supt. King & Mayor Manx to replace Ulysses Feral and take over a new commander of Enforcer & He in Charge of enforcer with Supt.King. after Ulysses Feral get punished,replace and fired for murder of Coy Feral and his uncle Sheriff Steel's daughter:Vic and he joined with SWAT Kats,Hard Drive,Rex Shard and Madkat after Hard Drive,Rex Shard and Madkat are turned from villians to good side in syndication TV Movie The Return of SWAT Kats
Voice by Hal Rayle (SWAT Kats Radical Squadron Season 1 Episode 3 & 12) & Frank Welker (The Return of SWAT Kats and Madkats and the SWAT Kats)
Occupation
Lt. Commander of Enforcer
Personality
Selfish (SWAT Kats Radical Squadron Season 1 Episode 3-12)
Focused,Intelligent,Selfish and Brave (Madkats and the SWAT Kats Season 1 Episode 1-12)
Short-Tempered,Serious,Hard Working,Authoritative,Focused,Intelligent, Honest,Caring,Brave and Hot Tempered (Madkats and the SWAT Kats Season 1 Episode 12-Madkats and the SWAT Kats Season 2)