The most common and most likely answer to this crossword clue is the 8 letter word TALISMAN
I've seen this crossword clue in The Daily Telegraph
T
A
L
I
S
M
A
N
More clues leading to the result TALISMAN
- Charm shown by boxer's attendant after end of bout
- Charm of various animals after first bit of training
- Charm is maintained in most of chat with a guy
- Endless chat is fellow’s charm
- Charm explorer found, crossing large island
- Speaker in the first half is fellow showing charm
- Half like being overwhelmed by Dutch sailor’s charm
- Charm of legendary island sources in antipodean waters
- Charm of eccentric A-list gent
- One’s lucky having time with Angelo Dundee?
Buddy explains!
The straight part
We know that "Lucky mascot" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lucky mascot = talisman.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TALISMAN mean?
TALISMAN noun- A magical object providing protection against ill will, or the supernatural, or conferring the wearer with a boon such as good luck, good health, or power(s).