LOL.
i think your accent is a little appaling. BUT you have the balls.
also, although stereo types are funny. fish n chips... bread and beer. LOL. they are not portrayed so well as to be amusing.
firstly. for animators to work with. try popping in some amusing material. dont be afraid to add sfx too. some interesting appropriate backing music would be nice.
2nd. your voices are to much the same. try changing pitch... add an impediment perhaps... make it more gravelly, squeaky, deeper, croakier, louder? so many alternative variations to effect the voice. the voices need to be different to establish which character is which. also try adding more emotion. it would be funnier if he got heavily frustrated.
Lastly. just practice. practice makes perfect. try to appeal more to your target audience. i have not checked out your other sketches. but i will now.
tyhanks for this. and please VALUE the advice i give. do not be offended. i am helping. :D:D:D despite not being so appealing to ME, i will give it 10. because it takes Cahonies! lol.
take care.