To be honest Capaldi being an older man was one of the few things that gave me some hope. I was tired of how the Doctor had been reduced to.... whatever the female version of a "waifu" is (husbando?)
Especially since, again going back to the classic series, most of the Doctors were not people that your average teenage girl would want to bang. I think really only Davison and McCoy could be considered that.
I'm not exactly an expert, but McCoy doesn't exactly scream "hot dude" to me.
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I'd probably add McGann to your list though.
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The wig's kind of goofy to me, but apparently chicks dig that shit.
The Doctor was never really a character to be lusted over in classic Who. It wasn't that kind of show. It was a genuine family show aimed primarily at kids. I'm sure there were some that fantasised about banging the Doctor but that would just be a very small proportion of wierdos.
Davison was probably the first you could describe as conventionally attractive but he was no "alpha chad". He was very well known to the audience as Tristan Farnham from All Creatures Great and Small, the younger and rather passive bother to Robert Hardy's much more domineering Siegfried Farnham. Davison was popular with the female audience but mainly in that "want to take care of him" mothering sense. That combined with the in control character that is the Doctor was part of what made his incarnation all the more interesting.
Colin Baker was much less known to the audience. His Doctor had less obvious appeal to the lustful and what appeal there was ended very quickly with his early very abrupt treatment of Nicola Bryant's Peri.
Sylvester McCoy was hardly what you'd call conventionally attractive but like Davison, he was very well known to the audience. He had been part of a children's show called Vision On made during the 60s and 70s and heavily repeated in the 70s. Vision On was a remarkable show. It was created primarily for the deaf with signing and limited speech - what we'd call woke today. It was hugely popular with the general kid audience being very entertaining and genuinely thunk provoking with more than a little touch of anarchy. It had animation elements leading ultimately to Morph and Aardman Animations. It had incredible art elements from Tony Hart (the stereotypical English posh unmarried uncle but not weird in any way - he became a staple of UK kids TV) such as using a sport's pitch lining machine. It would follow him making these lines on huge fields and you'd have no idea what what was being produced until the end when you'd get the completed perspective shot from the top of a crane and be amazed at how apparently random nonsense became brilliance. It also had McCoy who along with Wilf Lunn created insane contraptions and experiments many of which ended with explosions (which was always a good ending). McCoy brought this tinkering borderline lunatic character into his Doctor which again worked pretty well with the Doctor's core characteristics.
A lot of the companions were attractive, some very much so, but there was nothing sleazy about it. Aesthetic beauty yes; sexuality, not really and they certainly weren't flashing the flesh - OK maybe Leela but even there in the most asexual manner. The one exception was Nicola Bryant's Peri especially with those early cleavage displays. The thing is; there was a backlash with no small amount of shock and outrage at this introduction of sexualisation. And the reason for the shock was because of just how sexually innocent the show was. (Yes there's a certain amount of purving over Liz Shaw in Inferno but that's on the purvers.)
I like McGann but don't regard that as classic Who. It's in a strange twilght zone between classic and nu.
It's only with nu Who that you really get sexuality as a significant component and that's not been a beneficial change. It's undermined the Doctor as a character and made him a little less special, a little more grubby. Probably inevitable with RTD though.
edit Liz Shaw, not Sladen